Re: detached a mounted ufs filesystem

2010-06-14 Thread Zhengtao Cui
# bsdlabel /dev/da0s1 says bsdlabel: unable to get correct path for /dev/da0s1: No such file or directory. How do I make a fresh label if I have only 'c' and 'd' partitions? How do I dd the first 126 sectors to a file? Thanks, On Mon, 14 Jun 2010, Ian Smith wrote: In freebsd-questions Di

Re: detached a mounted ufs filesystem

2010-06-15 Thread Ian Smith
I'm a little confused by your using two different names, so you might get two copies of this .. On Mon, 14 Jun 2010, Zhengtao Cui wrote: > # bsdlabel /dev/da0s1 > > says > > bsdlabel: unable to get correct path for /dev/da0s1: No such file or > directory. Ok, there's no label on da0s1,

Re: GELI/UFS: strange data corruption

2006-04-03 Thread Kris Kennaway
On Mon, Apr 03, 2006 at 12:06:18PM +0200, [EMAIL PROTECTED]@mgEDV.net wrote: > the problem: > the count of files is exactly the same > cpio/syslog/dmesg logged absolutely no errors (not even warnings) > the files contain almost the same data, but at the beginning and > at the end of the files ther

Re: grub doesn't know ufs filesystem

2005-12-14 Thread Micah
Filesystem type unknown, partition type 0xa5 BSD Partition num: 'e', Filesystem type unknown, partition type 0xa5 BSD Partition num: 'f', Filesystem type unknown, partition type 0xa5 grub> quit # mount /dev/ad0s1a on / (ufs, local, soft-updates) devfs on /dev (dev

Re: grub doesn't know ufs filesystem

2005-12-14 Thread Harley D. Eades III
BSD Partition num: 'b', Filesystem type unknown, partition type 0xa5 > > BSD Partition num: 'd', Filesystem type unknown, partition type 0xa5 > > BSD Partition num: 'e', Filesystem type unknown, partition type 0xa5 > > BSD Partiti

Re: grub doesn't know ufs filesystem

2005-12-14 Thread RW
On Wednesday 14 December 2005 16:36, Micah wrote: > Some of the grubs that ship with Linux distros > do not support ufs. I'm curious as to why people care about this so much. There are numerous threads about whether or not particular bootloaders support UFS. A bootloader needs to

Re: grub doesn't know ufs filesystem

2005-12-14 Thread Micah
RW wrote: On Wednesday 14 December 2005 16:36, Micah wrote: Some of the grubs that ship with Linux distros do not support ufs. I'm curious as to why people care about this so much. There are numerous threads about whether or not particular bootloaders support UFS. A bootloader

Re: grub doesn't know ufs filesystem

2005-12-15 Thread Roberto Nunnari
same grub boot floppy and the results are ok on the newly installed freebsd boxes, while on the two that are already installed the results are bad.. test 1: === - made a grub floppy - boot the existing FreeBSD boxes (2 boxes) from grub floppy result --> grub doesn't know the ufs files

Re: grub doesn't know ufs filesystem

2005-12-15 Thread Roberto Nunnari
0xa5 BSD Partition num: 'e', Filesystem type unknown, partition type 0xa5 BSD Partition num: 'f', Filesystem type unknown, partition type 0xa5 grub> quit # mount /dev/ad0s1a on / (ufs, local, soft-updates) devfs on /dev (devfs, local) /dev/ad0s1e on /tmp (ufs, loc

Re: grub doesn't know ufs filesystem

2005-12-15 Thread Micah
m type unknown, partition type 0xa5 BSD Partition num: 'e', Filesystem type unknown, partition type 0xa5 BSD Partition num: 'f', Filesystem type unknown, partition type 0xa5 grub> quit # mount /dev/ad0s1a on / (ufs, local, soft-updates) devfs on /dev (devfs, loca

Re: grub doesn't know ufs filesystem

2005-12-15 Thread Igor Robul
On Wed, Dec 14, 2005 at 03:52:33PM +0100, Roberto Nunnari wrote: > grub reported: > > Filesystem type unknown, partition type 0xa5 > > and thus cannot mount /boot/loader You are correct. Old versions of grub don't know about UFS2 filesystem. ___ freebs

Re: grub doesn't know ufs filesystem

2005-12-17 Thread RW
re > convenient to have those files stored on UFS rather than FAT or EXT. > ... > In that case, if you use grub (rather than FreeBSD's manager), you'd > have to make a partition solely for grub. But is it a good idea for a bootloader to require external files at boot-ti

Re: UFS(2, 3 ?) vs ZFS.

2007-06-15 Thread Kris Kennaway
On Fri, Jun 15, 2007 at 06:51:31PM +0200, Albert Shih wrote: > Hi all > > Anyone known what's the futur of ufs2 ? Is there any plan to make a ufs3 > for very large FS (> 2TB) . Or the plan is to use classic ufs for / & /usr > and lets > use ZFS for /home

Re: UFS(2, 3 ?) vs ZFS.

2007-06-15 Thread Jim Capozzoli
On 6/15/07, Kris Kennaway <[EMAIL PROTECTED]> wrote: On Fri, Jun 15, 2007 at 06:51:31PM +0200, Albert Shih wrote: > Hi all > > Anyone known what's the futur of ufs2 ? Is there any plan to make a ufs3 > for very large FS (> 2TB) . Or the plan is to use classic ufs for

Re: UFS(2, 3 ?) vs ZFS.

2007-06-15 Thread Wojciech Puchar
UFS and future derivatives are here to stay. Yeah, but you know because of how nice ZFS is, a concept of using ZFS for /home and UFS for everything else will probably turn into a if ZFS will really be so nice i will be making small (50MB) partition for /boot files, ZFS on rest

Re: UFS(2, 3 ?) vs ZFS.

2007-06-15 Thread Dick Hoogendijk
Wojciech Puchar <[EMAIL PROTECTED]> writes: >>> UFS and future derivatives are here to stay. >>> >> Yeah, but you know because of how nice ZFS is, a concept of using >> ZFS for /home and UFS for everything else will probably turn into a > > if ZFS wil

Re: UFS(2, 3 ?) vs ZFS.

2007-06-15 Thread Dick Hoogendijk
Wojciech Puchar <[EMAIL PROTECTED]> writes: >>> UFS and future derivatives are here to stay. > > if ZFS will really be so nice i will be making small (50MB) > partition for /boot files, ZFS on rest. http://blogs.sun.com/ontherecord/entry/now_available_three_new_solaris

Re: UFS(2, 3 ?) vs ZFS.

2007-06-15 Thread Kris Kennaway
ere any plan to make a ufs3 > >> for very large FS (> 2TB) . Or the plan is to use classic ufs for / & > >/usr and lets > >> use ZFS for /home > > > >ZFS will remain an optional alternative because of the licensing, so > >UFS and future derivativ

Re: UFS(2, 3 ?) vs ZFS.

2007-06-20 Thread Tom Evans
On Fri, 2007-06-15 at 21:49 +0200, Wojciech Puchar wrote: > >> UFS and future derivatives are here to stay. > >> > > Yeah, but you know because of how nice ZFS is, a concept of using ZFS > > for /home and UFS for everything else will probably turn into a > >

Re: UFS(2, 3 ?) vs ZFS.

2007-06-20 Thread Hugo Silva
Tom Evans wrote: On Fri, 2007-06-15 at 21:49 +0200, Wojciech Puchar wrote: UFS and future derivatives are here to stay. Yeah, but you know because of how nice ZFS is, a concept of using ZFS for /home and UFS for everything else will probably turn into a if ZFS will really

Re: UFS(2, 3 ?) vs ZFS.

2007-06-23 Thread Jim Capozzoli
; >> Anyone known what's the futur of ufs2 ? Is there any plan to make a ufs3 > >> for very large FS (> 2TB) . Or the plan is to use classic ufs for / & > >/usr and lets > >> use ZFS for /home > > > >ZFS will remain an optional alternative becau

Re: UFS(2, 3 ?) vs ZFS.

2007-06-24 Thread Wojciech Puchar
It could be done. At the present time ZFS is not really suitable on systems without a lot of memory (I'd recommend at least 1GB). It is also very hard to tune it to perform well on i386 because of VM and address space issues. It might be possible to address these over time. 1GB for disk and

Re: UFS(2, 3 ?) vs ZFS.

2007-06-24 Thread [EMAIL PROTECTED]
On 24/06/07, Wojciech Puchar <[EMAIL PROTECTED]> wrote: >> >> It could be done. At the present time ZFS is not really suitable on >> systems without a lot of memory (I'd recommend at least 1GB). It is >> also very hard to tune it to perform well on i386 because of VM and >> address space issues

Safely mount OS X UFS filesystem?

2007-07-06 Thread Thor Lancelot Simon
Can I, on a system running FreeBSD 6.2 or -current, safely mount a UFS filesystem created (and used) on Mac OS 10.4.10? These filesystems are UFS1 (at fslevel 3) with big-endian datastructures in the metadata, 4k blocks and 1k fragments, and a few minor oddities in their layout; they are pretty

Re: dovecot, maildir, UFS 2 performance

2008-09-23 Thread Wojciech Puchar
dir goes to SATA. The secondary task for this server is to be an IMAP and mail server. We will be using dovecot, and shared maildir folders with ten thousands of messages. I'm not sure where to put the maildir folders, and what options to use for unless you have tens of thousands of mail user

Re: dovecot, maildir, UFS 2 performance

2008-09-24 Thread Laszlo Nagy
#1 maildir stores each message in a separate file. I think I need to dedicate a separate disk slice for maildirs and decrease block size on it. How big should the blocksize be? i have everything (/) on single partition on most of my servers, including those having lots of mail. I don't thi

Re: dovecot, maildir, UFS 2 performance

2008-09-24 Thread Wojciech Puchar
i have everything (/) on single partition on most of my servers, including those having lots of mail. I don't think that is clever. sysinstall creates different partitions for / but i do. sysinstall and most people and manuals just copy "traditions". it's nonsense. Except when my users search

Re: dovecot, maildir, UFS 2 performance

2008-09-24 Thread Ivan Voras
lking about UFS, only ext3, reiserfs and xfs: http://wiki.dovecot.org/MailboxFormat/Maildir You can treat UFS as ext2/3 with dir_index enabled by default (not exactly but that's what dirhash translates to in practice). You will probably want to increase vfs.ufs.dirhash_maxmem sysctl

Re: dovecot, maildir, UFS 2 performance

2008-09-24 Thread Daniel Gerzo
Dear Wojciech, On Wed, 24 Sep 2008 09:53:26 +0200 (CEST), Wojciech Puchar <[EMAIL PROTECTED]> wrote: >>> i have everything (/) on single partition on most of my servers, > including >>> those having lots of mail. >> I don't think that is clever. sysinstall creates different partitions > for / >

Re: dovecot, maildir, UFS 2 performance

2008-09-24 Thread Laszlo Nagy
You can treat UFS as ext2/3 with dir_index enabled by default (not exactly but that's what dirhash translates to in practice). UFS by default creates 2k fragments ("sub-blocks"), so in practice any tuning in this direction won't do much. More drives=better in this c

Re: dovecot, maildir, UFS 2 performance

2008-09-24 Thread Lowell Gilbert
Laszlo Nagy <[EMAIL PROTECTED]> writes: > Wojciech Puchar said: >> i have everything (/) on single partition on most of my servers, >> including those having lots of mail. > I don't think that is clever. sysinstall creates different partitions > for / /usr /var and /tmp by default. There must be

Re: dovecot, maildir, UFS 2 performance

2008-09-24 Thread Wojciech Puchar
2) keeping problems on one partition from raising trouble on another partition. e.g., filesystem corruption in a home directory keeping the root from being able to boot, or filling up a mail directory keeping people from logging in. today we have live CDs. and - UFS doesn't get to

Re: dovecot, maildir, UFS 2 performance

2008-09-24 Thread Mel
On Wednesday 24 September 2008 19:49:54 Wojciech Puchar wrote: > i said tradition - because very old unix filesystems (25 years ago.. or > more) was different and sometimes got totally corrupted. 10 years ago (not 25), news:// was hawt. And created tons on small files, by default on /var/news, w

Re: zfs on disk with ufs

2008-11-13 Thread Bjoern A. Zeeb
and only have 10GB for /usr and the rest of the disk for ZFS. It is posible to have ZFS and UFS on the same disk. freebsd-questions@ might be a better place to ask. Reply-To: set /bz -- Bjoern A. Zeeb Stop bit received. Insert coin for new game

gmirror and the UFS file systems

2008-11-28 Thread Andrew Falanga
Hi, I'm getting ready to move forward on enabling gmirror on my churches website server (FreeBSD 7.0-RELEASE p4). I used defaults during the install (most importantly for this, the file system defaults). I've read in the manual pages that the data for the mirror is contained in the last secto

Taking a snapshot of a UFS filesystem

2003-12-28 Thread Paul Hamilton
Hi All, In the December 2003, Sys Admin magazine (www.sysadminmag.com), there was an article (pg 17), about doing Oracle DB Backups using UFS Snapshots. This was implemented using a facility built into Solaris. I have read about other snapshot products for MS Windows NTFS etc. Is there a way

Re: Mounting to freebsd ufs under WinXP

2004-02-13 Thread Chuck Swiger
Peter Leftwich wrote: Can someone recommend software that lets you mount TO freebsd (ufs) partition FROM WITHIN Windows XP Pro SP1 (transparently)? I am not familiar with any such software, regrettably. You'd need a Windows developer experienced with their kernel and filesystem management

Re: Mounting to freebsd ufs under WinXP

2004-02-13 Thread Bob Collins
On Fri, Feb 13, 2004, Chuck Swiger clacked the keyboard to produce: > Peter Leftwich wrote: > >Can someone recommend software that lets you mount TO freebsd (ufs) > >partition FROM WITHIN Windows XP Pro SP1 (transparently)? > > I am not familiar with any such software, regre

Re: Mounting to freebsd ufs under WinXP

2004-02-13 Thread Kenneth Culver
Quoting Bob Collins <[EMAIL PROTECTED]>: On Fri, Feb 13, 2004, Chuck Swiger clacked the keyboard to produce: Peter Leftwich wrote: >Can someone recommend software that lets you mount TO freebsd (ufs) >partition FROM WITHIN Windows XP Pro SP1 (transparently)? I am not familiar w

Re: Mounting to freebsd ufs under WinXP

2004-02-13 Thread Bob Collins
On Fri, Feb 13, 2004, Kenneth Culver clacked the keyboard to produce: > Quoting Bob Collins <[EMAIL PROTECTED]>: > > >On Fri, Feb 13, 2004, Chuck Swiger clacked the keyboard to produce: > >>Peter Leftwich wrote: > >>>Can someone recommend softw

Re: Mounting to freebsd ufs under WinXP

2004-02-13 Thread Matthew Marino
Well On Friday, February 13, 2004, at 11:32 AM, Bob Collins wrote: On Fri, Feb 13, 2004, Chuck Swiger clacked the keyboard to produce: Peter Leftwich wrote: Can someone recommend software that lets you mount TO freebsd (ufs) partition FROM WITHIN Windows XP Pro SP1 (transparently)? I am not

Re: Mounting to freebsd ufs under WinXP

2004-02-13 Thread Charles Swiger
On Feb 13, 2004, at 1:45 PM, Matthew Marino wrote: Samba works but the configuration can be a cuss. It's the NetBEUI name server that takes a deeper understanding of Microsoft Networking than the average Joe has. If your really up for a challenge try sharing the same ufs volume with Window

Re: Mounting to freebsd ufs under WinXP

2004-02-13 Thread Duane Winner
I look into this issue an average of once a year, because it's always been my dream to have a dual boot machine in which XP can read/write my UFS/ext2/etc. partitions and FreeBSD/Linux/etc. can read/write my NTFS partitions. I've seen a handful of 3rd party software out there that see

NFS - FreeBSD5 UFS2 serving FreeBSD4 UFS clients

2004-12-07 Thread Jamie Heckford
ystem that my 4.x UFS clients won't be able to mount a share from the 5.x box. Or does the NFS layer allow this? Will my 5.x box be backwards compatible for 4.x boxen and still work? Thanks in advance :) -- Jamie Heckford Network Manager Trident Microsystems Ltd. t: +44(0)1737-780790 f:

How to optimize UFS/FFS blocks structure

2004-03-23 Thread Kyryll A Mirnenko
Where're utils to optimize UFS/FFS storage (a.k.a. "defragmentation")? ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"

Re: ufs HDD on the MS Windows ?

2004-04-14 Thread Benjamin Meade
[EMAIL PROTECTED] wrote: Hello ! How it is possible to connect a disk with FreeBSD ufs file system to a computer with OS MS Windows? Is it special driver? I think, it can be made using a Vmware... How to make easier? What variants exist? If you're talking about getting windows to actually

Re: ufs --> ufs2 w/o data loss?

2003-09-15 Thread Lowell Gilbert
Sergei Vyshenski <[EMAIL PROTECTED]> writes: > Is it possible to upgrade ufs filesystem to > ufs2 without data loss? It's not possible to upgrade at all. You need to build a whole new filesystem from scratch. This *does* mean you will need to backup first, and restore after

Re: ghost-ing a ufs+vinum disk

2002-12-25 Thread Greg 'groggy' Lehey
On Wednesday, 25 December 2002 at 11:22:56 -0600, Hari Bhaskaran wrote: > Hi, > > I am looking for a method to dump my 'current' installation > (which includes couple of vinum volumes + some other normal > UFS partitions) to another machine where I have access to > a C

Re: ghost-ing a ufs+vinum disk

2002-12-25 Thread Hari Bhaskaran
On Thu, Dec 26, 2002 at 01:40:58PM +1030, Greg 'groggy' Lehey wrote: > > > > I am looking for a method to dump my 'current' installation > > (which includes couple of vinum volumes + some other normal > > UFS partitions) to another machine where I have

Re: ghost-ing a ufs+vinum disk

2002-12-26 Thread Greg 'groggy' Lehey
On Wednesday, 25 December 2002 at 22:07:48 -0600, Hari Bhaskaran wrote: > On Thu, Dec 26, 2002 at 01:40:58PM +1030, Greg 'groggy' Lehey wrote: >>> >>> I am looking for a method to dump my 'current' installation >>> (which includes couple of vinum

Re: tree-based quotas for UFS/UFS2?

2003-06-30 Thread Chris Dillon
On Thu, 26 Jun 2003, Ryan Dooley wrote: > Has anybody done work on Tree-based quotas for UFS/UFS2? As an > administrator I'm finding more and more reasons that such a thing > would be a good thing. By tree-based you mean the ability to define "this directory and everyth

Re: tree-based quotas for UFS/UFS2?

2003-06-30 Thread Ryan Dooley
> By tree-based you mean the ability to define "this directory and > everything under it gets X amount of storage, regardless of owner"? > If so, I also wish this ability existed, and I've talked with several > administrators of ISPs that sorely need that ability as well. If it > is a monumental

Re: tree-based quotas for UFS/UFS2?

2003-06-30 Thread Dan Pelleg
Chris Dillon <[EMAIL PROTECTED]> writes: > On Thu, 26 Jun 2003, Ryan Dooley wrote: > > > Has anybody done work on Tree-based quotas for UFS/UFS2? As an > > administrator I'm finding more and more reasons that such a thing > > would be a good thing. > The

Convert UFS to UFS2 in FreeBSD 5

2003-06-06 Thread G D McKee
Hi all, This many have already been answered but I can't find the answer, so here goes!! I have been tracking 5-CURRENT since before ufs2 partitions were the standard. Is there a way to convert my file system to ufs2 or is a reinstall necessary? Thanks in advance. Gordon _

Re: UFS Crash and directories now missing

2012-04-27 Thread Alejandro Imass
has ANY logical explanation??? Thanks, -- Alejandro Imass > This is FreeBSD 8.2 updated, patched etc. The volume was UFS + Journal > > Any help is GREATLY appreciated! > > Thanks! > > -- > Alejandro Imass ___ freebsd-questions

Re: UFS Crash and directories now missing

2012-04-27 Thread Erich Dollansky
Hi, On Saturday 28 April 2012 09:33:47 Alejandro Imass wrote: > On Fri, Apr 27, 2012 at 7:52 PM, Alejandro Imass wrote: > > > > We had a server crash and required a hard reboot. The system is on one > > disk and another disc mounts /usr/jails and everything runs in jails, > > pristine base system

Re: UFS Crash and directories now missing

2012-04-27 Thread Alejandro Imass
al explanation??? > > Journaling is new to me. Could this be the cause? > Maybe so, I have no idea. Maybe it's because EzJail mount volumes with each jail or some other wild explanation. I honestly have never seen this before. I am just glad that UFS was nice enough

Re: UFS Crash and directories now missing

2012-04-27 Thread Wojciech Puchar
something. I unmounted the drive and ran fsck and reported no problems. df shows the data being use so where is the data?? your data is here as df shown usage and fsck see no errors. most probably root directory of that volume got corrupted and subdirs were found and put in lost+found ___

Re: UFS Crash and directories now missing

2012-04-27 Thread Wojciech Puchar
All the jails wound up in the /usr/local/etc/apache22 of the only surviving jail which is the http proxy to all the other jails. Right before the server crashed I noticed MySQL at 100% o several CPUs and the server was on it's knees, so I'm wondering was this an attack? is it possible that A

Re: UFS Crash and directories now missing

2012-04-27 Thread Alejandro Imass
On Sat, Apr 28, 2012 at 1:43 AM, Wojciech Puchar wrote: >> >> All the jails wound up in the /usr/local/etc/apache22 of the only >> surviving jail which is the http proxy to all the other jails. >> >> Right before the server crashed I noticed MySQL at 100% o several CPUs >> and the server was on it

Re: UFS Crash and directories now missing

2012-04-28 Thread Wojciech Puchar
I somewhat agree, but it wasn't a person. I am the only administrator, the only one with root access. The jails were effectively moved to the /usr/local/etc/apache22 of the single that survived at the top level. I'm thinking something between mount, EzJail, the journal and the way MySQL created a

Re: UFS Crash and directories now missing

2012-04-28 Thread Alejandro Imass
After a little more research, ___it it NOT unlikely at all___ that under high distress and a hard boot, UFS could have somehow corrupted the directory structure, whilst maintaining the data intact. From what I've learned so far, UFS is actually divided into 2 layers: one that controls the directo

Re: UFS Crash and directories now missing

2012-04-28 Thread Robert Bonomi
didn't move it yourself then it must be machine hardware problem > > but still unlikely. > > After a little more research, ___it it NOT unlikely at all___ that > under high distress and a hard boot, UFS could have somehow corrupted > the directory structure, whilst maintaining th

Re: UFS Crash and directories now missing

2012-04-28 Thread Alejandro Imass
gt; >> > no matter what you do FreeBSD DOES NOT ramdomly move directories. if you >> > are >> > sure you didn't move it yourself then it must be machine hardware problem >> > but still unlikely. >> >> After a little more research, ___it it NOT unl

Re: UFS Crash and directories now missing

2012-04-28 Thread Alejandro Imass
e to >>> >> physically archive the jails, move them to the correct directory and >>> > >>> > >>> > no matter what you do FreeBSD DOES NOT ramdomly move directories. if you >>> > are >>> > sure you didn't move it yourself th

Re: UFS Crash and directories now missing

2012-04-28 Thread Robert Bonomi
Alejandro Imass wrote: > On Sat, Apr 28, 2012 at 11:39 AM, Robert Bonomi > wrote: > > Alejandro Imass wrote: > >> After a little more research, ___it it NOT unlikely at all___ that > >> under high distress and a hard boot, UFS could have somehow corrupted > &

Re: UFS Crash and directories now missing

2012-04-28 Thread Alejandro Imass
On Sat, Apr 28, 2012 at 1:31 PM, Robert Bonomi wrote: > > Alejandro Imass wrote: >> On Sat, Apr 28, 2012 at 11:39 AM, Robert Bonomi >> wrote: >> >  Alejandro Imass wrote: >> >> After a little more research, ___it it NOT unlikely at all___ that >>

Re: UFS Crash and directories now missing

2012-04-28 Thread Polytropon
: > >> >> After a little more research, ___it it NOT unlikely at all___ that > >> >> under high distress and a hard boot, UFS could have somehow corrupted > >> >> the directory structure, whilst maintaining the data intact. > >> > > >&g

Re: UFS Crash and directories now missing

2012-04-28 Thread Alejandro Imass
obert Bonomi >> >> wrote: >> >> >  Alejandro Imass wrote: >> >> >> After a little more research, ___it it NOT unlikely at all___ that >> >> >> under high distress and a hard boot, UFS could have somehow corrupted >> >>

Re: UFS Crash and directories now missing

2012-04-28 Thread Jerome Herman
and a hard boot, UFS could have somehow corrupted the directory structure, whilst maintaining the data intact. This is techically accurate, *BUT* the specifics of the quote "corruption" unquote in the case under discussion make it *EXTREMELY* unlikely that this is what happened. 99.99+

Re: UFS Crash and directories now missing

2012-04-28 Thread Edward M
On 04/28/2012 11:16 AM, Alejandro Imass wrote: That is what worries me, is that it wasn't just some random bit or cosmic ray, but the potential of happening again. I am not so sure that it is*impossible* that a jail could affect other jails with EzJail. Sorry I'm late to the party. How about

Re: UFS Crash and directories now missing

2012-04-28 Thread Erich Dollansky
es. if you are > > sure you didn't move it yourself then it must be machine hardware problem > > but still unlikely. > > After a little more research, ___it it NOT unlikely at all___ that > under high distress and a hard boot, UFS could have somehow corrupted > the di

Re: UFS Crash and directories now missing

2012-04-28 Thread perryh
Alejandro Imass wrote: > 3) the directories were moved at reboot by journal recovery, > fsck or something else I think it's *extremely* unlikely that fsck was involved, because it just doesn't do things like that. It might move an orphaned directory (or file) to lost+found, but nowhere else. T

Re: UFS Crash and directories now missing

2012-04-28 Thread Alejandro Imass
rrect directory and >> > >> > >> > no matter what you do FreeBSD DOES NOT ramdomly move directories. if you >> > are >> > sure you didn't move it yourself then it must be machine hardware problem >> > but still unlikely. >> >&g

Re: UFS Crash and directories now missing

2012-04-28 Thread Alejandro Imass
On Sun, Apr 29, 2012 at 3:26 AM, wrote: > Alejandro Imass wrote: > [...] > > Any chance that your base system -- rather than one of the jails -- > has somehow been cracked; maybe even that the cracker precipitated > the crash?  It might be wise to restore the whole system from backup, > the ba

Re: UFS Crash and directories now missing

2012-04-28 Thread Erich Dollansky
; > sure you didn't move it yourself then it must be machine hardware problem > >> > but still unlikely. > >> > >> After a little more research, ___it it NOT unlikely at all___ that > >> under high distress and a hard boot, UFS could have somehow corrupted

Re: UFS Crash and directories now missing

2012-04-28 Thread Alejandro Imass
On Sat, Apr 28, 2012 at 10:20 PM, Erich Dollansky wrote: > Hi, > > On Sunday 29 April 2012 08:58:17 Alejandro Imass wrote: >> On Sat, Apr 28, 2012 at 5:03 PM, Erich Dollansky >> wrote: [...] >> >> Hi Erich, thanks for your reply. >> >> I don't know what links you are referring to, but please po

Re: UFS Crash and directories now missing

2012-04-29 Thread Polytropon
On Sun, 29 Apr 2012 00:26:50 -0700, per...@pluto.rain.com wrote: > Alejandro Imass wrote: > > > 3) the directories were moved at reboot by journal recovery, > > fsck or something else > > I think it's *extremely* unlikely that fsck was involved, because > it just doesn't do things like that. T

Re: UFS Crash and directories now missing

2012-04-29 Thread Alejandro Imass
On Sun, Apr 29, 2012 at 4:37 AM, Polytropon wrote: > On Sun, 29 Apr 2012 00:26:50 -0700, per...@pluto.rain.com wrote: >> Alejandro Imass wrote: >> >> > 3) the directories were moved at reboot by journal recovery, >> > fsck or something else >> >> I think it's *extremely* unlikely that fsck was in

Re: UFS Crash and directories now missing

2012-04-29 Thread jb
Alejandro Imass p2ee.org> writes: > ... > And there was a log of a couple of ftp connections the same day this > happened, the ONLY 3 messages before the reboot at about 6 pm and they > were NOT from any of our customers. Here are the log entries: > > Apr 27 05:54:37 nune ftp.proxy[2726]: conne

Re: UFS Crash and directories now missing

2012-04-29 Thread Alejandro Imass
On Sun, Apr 29, 2012 at 1:15 PM, jb wrote: > Alejandro Imass p2ee.org> writes: > >> ... >> And there was a log of a couple of ftp connections the same day this >> happened, the ONLY 3 messages before the reboot at about 6 pm and they >> were NOT from any of our customers. Here are the log entries

Re: UFS Crash and directories now missing

2012-04-29 Thread jb
Alejandro Imass p2ee.org> writes: > ... > > What you should do right now is to get some recent general or security > > cd/dvd > > with chkrootkit and rkhunter and run them from that external read-only > > media. > > I would also suggest that you look over config files of all packages > > invo

Re: UFS Crash and directories now missing

2012-04-29 Thread Erich Dollansky
Hi, On Monday 30 April 2012 02:02:41 jb wrote: > Alejandro Imass p2ee.org> writes: > > > ... > > > What you should do right now is to get some recent general or security > > > cd/dvd > > > with chkrootkit and rkhunter and run them from that external read-only > > > media. > > > I would also s

Re: UFS Crash and directories now missing

2012-04-29 Thread Alejandro Imass
On Sun, Apr 29, 2012 at 11:49 PM, Erich Dollansky wrote: > Hi, > > On Monday 30 April 2012 02:02:41 jb wrote: >> Alejandro Imass p2ee.org> writes: >> >> > ... >> > > What you should do right now is to get some recent general or security >> > > cd/dvd >> > > with chkrootkit and rkhunter and run t

Re: UFS Crash and directories now missing

2012-04-30 Thread Robert Bonomi
s is, how it works, or that it is totally -irrelevant- to fsck and/or journaling. Hint: nullfs is merely a 'path translation' mechanism -- it affects _only_ 'file open' syscalls. fsck doesn't _touch_ nullfs. Hint; journaling is an add-on to the UFS filesystem. nullfs do

Re: UFS Crash and directories now missing

2012-04-30 Thread Erich Dollansky
Hi, On Monday 30 April 2012 18:36:08 Robert Bonomi wrote: > > Alejandro Imass wrote: > That simply *ISN'T* going to happen -- not without a -lot- more evidence > than any individual can provide from a single =unrepeadable= incident. > ok, I am not the original poster but let me tell me of an e

Re: UFS Crash and directories now missing

2012-04-30 Thread Alejandro Imass
On Mon, Apr 30, 2012 at 7:36 AM, Robert Bonomi wrote: > > Alejandro Imass wrote: >> On Sun, Apr 29, 2012 at 11:49 PM, Erich Dollansky wrote: >> > On Monday 30 April 2012 02:02:41 jb wrote: >> >> Alejandro Imass p2ee.org> writes: >> >> > ... >> [...] > A competennt, "not stupid", sysadmin would

Re: UFS Crash and directories now missing

2012-04-30 Thread Edward M
On 04/30/2012 08:38 AM, Alejandro Imass wrote: just not very helpful or fun. This attitude will get He is helping,you need to learn how UFS, jails, nullfs, journaling, disk I/O and other stuff work. I have been following this thread and i must admit I also need to learn more on

Re: UFS Crash and directories now missing

2012-04-30 Thread Alejandro Imass
On Mon, Apr 30, 2012 at 8:22 AM, Erich Dollansky wrote: > Hi, > > On Monday 30 April 2012 18:36:08 Robert Bonomi wrote: >> >> Alejandro Imass wrote: >> That simply *ISN'T* going to happen -- not without a -lot- more evidence >> than any individual can provide from a single =unrepeadable= incident

Re: UFS Crash and directories now missing

2012-04-30 Thread Alejandro Imass
On Mon, Apr 30, 2012 at 1:03 PM, Edward M wrote: > On 04/30/2012 08:38 AM, Alejandro Imass wrote: >> >>  just not very helpful or fun. This attitude will get > > >    He is helping,you need to  learn how UFS, jails, nullfs, journaling, disk > I/O  and other stuff work.

Re: UFS Crash and directories now missing

2012-04-30 Thread Eitan Adler
On 30 April 2012 07:36, Robert Bonomi wrote: > A competennt, "not stupid", sysadmin would know these things.  And not > 'remove all doubt' (in the words of Abraham Lincoln), by raising such > nonsense questions. A competent sysadmin would ask questions when they don't know the answer bringing up

Re: UFS Crash and directories now missing

2012-04-30 Thread Alejandro Imass
On Mon, Apr 30, 2012 at 1:23 PM, Eitan Adler wrote: > On 30 April 2012 07:36, Robert Bonomi wrote: >> A competennt, "not stupid", sysadmin would know these things.  And not >> 'remove all doubt' (in the words of Abraham Lincoln), by raising such >> nonsense questions. > > A competent sysadmin wou

Re: UFS Crash and directories now missing

2012-04-30 Thread Edward M
On 04/30/2012 10:22 AM, Alejandro Imass wrote: Oh, please! He's not helping anyone. He's just being an obnoxious prick that thinks that by pointing out a lot of technical blabber and some cheap philosophical posé I guess i was going according to the fact that i have followed his suggestions

Re: UFS Crash and directories now missing

2012-04-30 Thread jb
for many many years. Nullfs does not seem to be stable. Anyway, I found one PR http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/147420 that is about troubles with jails, nullfs, UFS, and NFS. Synopsis: [ufs] [panic] ufs_dirbad, nullfs, jail panic (corrupt inode) Take a look at this paragr

Re: UFS Crash and directories now missing

2012-04-30 Thread Chip Camden
Quoth Eitan Adler on Monday, 30 April 2012: > On 30 April 2012 07:36, Robert Bonomi wrote: > > A competennt, "not stupid", sysadmin would know these things.  And not > > 'remove all doubt' (in the words of Abraham Lincoln), by raising such > > nonsense questions. > > A competent sysadmin would as

Re: UFS Crash and directories now missing

2012-04-30 Thread Alejandro Imass
ed for many many > years. > Nullfs does not seem to be stable. > Dirk Engling guessed that somehow nullfs was involved. > Anyway, I found one PR > http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/147420 > > that is about troubles with jails, nullfs, UFS, and NFS. > Synopsis:

Re: UFS Crash and directories now missing

2012-04-30 Thread jb
Alejandro Imass p2ee.org> writes: > ... > Thanks for pointing a plausible cause. What I have done so far is > limit the offending jail to a specific cpuset and I wanted to add > another disk to avoid contention with other jails. MySQL not only > consumes the whole CPUs but also limits the whole d

Re: UFS Crash and directories now missing

2012-04-30 Thread Polytropon
thing substantial by the following statement, but allow me to post it anyway in addition to your statement: There is no problem in mentioning thoughts, possibilities and options. It's also not a problem to admit a lack of knowledge in certain fields (e. g. how UFS, journaling, nullfs and fs

Re: UFS Crash and directories now missing

2012-04-30 Thread Jerome Herman
at fsck would find nothing already magnitude of order above the chances of winning the national lottery. But all of them ? Not a chance. He finally admitted that he had very little knowledge about UFS and fsck, but still managed to do it in a quite offensive way. That was basically the point wer

Re: UFS Crash and directories now missing

2012-04-30 Thread Erich Dollansky
Hi, On Monday 30 April 2012 22:38:13 Alejandro Imass wrote: > On Mon, Apr 30, 2012 at 7:36 AM, Robert Bonomi > wrote: > > > A competennt, "not stupid", sysadmin would know these things. And not > > 'remove all doubt' (in the words of Abraham Lincoln), by raising such > > nonsense questions. >

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