Re: [zfs-discuss] unsetting the bootfs property possible? imported a FreeBSD pool

2010-05-25 Thread Andrew Gabriel
few lines above, another test (for a valid bootfs name) does get bypassed in the case of clearing the property. Don't know if that alone would fix it. -- Andrew Gabriel | Solaris Systems Architect Email: andrew.gabr...@oracle.com Mobile: +44 7720 598213 Oracle Pre-Sales Guillemont Park | M

Re: [zfs-discuss] ZFS no longer working with FC devices.

2010-05-24 Thread Andrew Daugherity
etween 30 minutes and 4 hours into a scrub, and with it scrubs run successfully. -Andrew >>> Demian Phillips 5/23/2010 8:01 AM >>> On Sat, May 22, 2010 at 11:33 AM, Bob Friesenhahn wrote: > On Fri, 21 May 2010, Demian Phillips wrote: > >> For years I have been run

Re: [zfs-discuss] [ZIL device brainstorm] intel x25-M G2 has ram cache?

2010-05-24 Thread Andrew Gabriel
if NV ZIL. Trouble is that no other operating systems or filesystems work this well with such relatively tiny amounts of NV storage, so such a hardware solution is very ZFS-specific. -- Andrew Gabriel | Solaris Systems Architect Email: andrew.gabr...@oracle.com Mobile: +44 7720 598213 Oracl

Re: [zfs-discuss] zfs question

2010-05-20 Thread Andrew Gabriel
up on the ARC (memory) anyway. If you don't have enough RAM for this to help, then you could add more memory, and/or an SSD as a L2ARC device ("cache" device in zpool command line terms). -- Andrew Gabriel ___ zfs-discuss mailing list zf

[zfs-discuss] Does Opensolaris support thin reclamation?

2010-05-05 Thread Andrew Chace
Support for thin reclamation depends on the SCSI "WRITE SAME" command; see this draft of a document from T10: http://www.t10.org/ftp/t10/document.05/05-270r0.pdf. I spent some time searching the source code for support for "WRITE SAME", but I wasn't able to find much. I assume that if it

[zfs-discuss] How to clear invisible, partially received snapshots?

2010-04-29 Thread Andrew Daugherity
900', but it still said the dataset did not exist. Finally I exported the pool, and after importing it, the snapshot was gone, and I could receive the snapshot normally. Is there a way to clear a "partial" snapshot without an export/import cycle? Thanks, Andrew [1] http://mail.o

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-25 Thread Andrew Kener
The correct URL is: http://code.google.com/p/maczfs/ -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Rich Teer Sent: Sunday, April 25, 2010 7:11 PM To: Alex Blewitt Cc: ZFS discuss Subject: Re: [zfs-discuss] Mac OS X c

Re: [zfs-discuss] Can't import pool due to missing log device

2010-04-18 Thread Andrew Kener
3 - community edition Andrew On Apr 18, 2010, at 11:15 PM, Richard Elling wrote: > Nexenta version 2 or 3? > -- richard > > On Apr 18, 2010, at 7:13 PM, Andrew Kener wrote: > >> Hullo All: >> >> I'm having a problem importing a ZFS pool. When I first

[zfs-discuss] Can't import pool due to missing log device

2010-04-18 Thread Andrew Kener
this or something similar before. Thanks in advance for any suggestions. Andrew Kener ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Proposition of a new zpool property.

2010-03-22 Thread Andrew Gabriel
to another RFE/BUG and the pause/resume requirement got lost. I'll see about reinstating it. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS - VMware ESX --> vSphere Upgrade : Zpool Faulted

2010-03-17 Thread Andrew
Hi all, Great news - by attaching an identical size RDM to the server and then grabbing the first 128K using the command you specified Ross dd if=/dev/rdsk/c8t4d0p0 of=~/disk.out bs=512 count=256 we then proceeded to inject this into the faulted RDM and lo and behold the volume recovered! dd

Re: [zfs-discuss] ZFS - VMware ESX --> vSphere Upgrade : Zpool Faulted

2010-03-16 Thread Andrew
Hi again, Out of interest, could this problem have been avoided if the ZFS configuration didnt rely on a single disk? i.e. RAIDZ etc Thanks -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://ma

Re: [zfs-discuss] When to Scrub..... ZFS That Is

2010-03-13 Thread Andrew Gabriel
er to discover this before you reduce the pool redundancy/resilience, whilst it's still fixable. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Intel SASUC8I - worth every penny

2010-03-12 Thread Andrew Gabriel
eed barely SATA controllers at all by todays standards as I think they always pretend to be PATA to the host system. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS - VMware ESX --> vSphere Upgrade : Zpool Faulted

2010-03-11 Thread Andrew
0 and /dev/dsk/c8t4d0 but neither of them are valid. Kind Regards Andrew -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS - VMware ESX --> vSphere Upgrade : Zpool Faulted

2010-03-11 Thread Andrew
nfortunately I can't rely on connecting using an iSCSI initiator within the OS to attach the volume so I guess i have to dive straight into checking the MBR at this stage. I'll no doubt need some help here so please forgive me if I fall at the first hurdle. Kind Regards Andre

Re: [zfs-discuss] ZFS - VMware ESX --> vSphere Upgrade : Zpool Faulted

2010-03-11 Thread Andrew
Ok, The fault appears to have occurred regardless of the attempts to move to vSphere as we've now moved the host back to ESX 3.5 from whence it came and the problem still exists. Looks to me like the fault occurred as a result of a reboot. Any help and advice would be greatly appreciated. -

[zfs-discuss] ZFS - VMware ESX --> vSphere Upgrade : Zpool Faulted

2010-03-11 Thread Andrew
that fixed the problem, but unfortunately, typing Zpool status and Zpool import finds nothing even though "FORMAT" and FORMAT -E displays the 1TB volume. Are there any known problems or ways to reimport a supposed lost/confused zpool on a new host? Thanks Andrew -- This message p

Re: [zfs-discuss] sharenfs option rw,root=host1 don't take effect

2010-03-10 Thread Andrew Daugherity
it's because I left the NFSv4 domain setting at the default. (I'm just using NFSv3, but trying to come up with an explanation. In any case, using the FQDN works.) -Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Snapshot recycle freezes system activity

2010-03-04 Thread Andrew Gabriel
: a) spread out the deleting of the snapshots, and b) create more snapshots more often (and conversely delete more snapshots, more often), so each one contains fewer accumulated space to be freed off. -- Andrew ___ zfs-discuss mailing list zfs-dis

Re: [zfs-discuss] Pool vdev imbalance

2010-02-28 Thread Andrew Gabriel
c6t5d0- - 4 18 294K 126K c7t2d0- - 4 18 282K 124K c0t6d0- - 7 19 446K 124K c5t7d0- - 7 21 452K 122K - - - - - -

Re: [zfs-discuss] Help, my zone's dataset has disappeared!

2010-02-26 Thread Andrew Gabriel
Jesse Reynolds wrote: Does ZFS store a log file of all operations applied to it? It feels like someone has gained access and run 'zfs destroy mailtmp' to me, but then again it could just be my own ineptitude. Yes... zpool history rpool -- Andr

Re: [zfs-discuss] Pool import with failed ZIL device now possible ?

2010-02-16 Thread Andrew Gabriel
ould be a useful ZFS dataset parameter. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] cannot receive new filesystem stream: invalid backup stream

2010-02-12 Thread Andrew Gabriel
Darren J Moffat wrote: On 12/02/2010 09:55, Andrew Gabriel wrote: Can anyone suggest how I can get around the above error when sending/receiving a ZFS filesystem? It seems to fail when about 2/3rds of the data have been passed from send to recv. Is it possible to get more diagnostics out? You

[zfs-discuss] cannot receive new filesystem stream: invalid backup stream

2010-02-12 Thread Andrew Gabriel
m is currently running build 125 and receiving system something approximating to 133, but I've had the same problem with this filesystem for all builds I've used over the last 2 years. -- Cheers Andrew Gabriel ___ zfs-discuss mailing list zf

Re: [zfs-discuss] Impact of an enterprise class SSD on ZIL performance

2010-02-04 Thread Andrew Gabriel
hen I demonstrate this on the SSD/Flash/Turbocharge Discovery Days I run the UK from time to time (the name changes over time;-). -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] How to get a list of changed files between twosnapshots?

2010-02-04 Thread Andrew Daugherity
ctories, which runs in a few seconds and lists both added/changed files and deleted files. http://opensolaris.org/jive/message.jspa?messageID=434176#434176 -Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced drives

2010-02-03 Thread Andrew Gabriel
ich has ended up with a customer buying a Thumpers or Amber Road systems from Sun. (but that's my job, I guess;-) -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Performance of partition based SWAP vs. ZFS zvol SWAP

2010-01-27 Thread Andrew Gabriel
n you might want to invest in solid state disk swap devices, which will go some way towards reducing the factor of 1000 I mentioned above. (Take note of aligning swap to the 4k flash i/o boundaries.) Probably lots of other possibilities too, given more than a co

Re: [zfs-discuss] Performance of partition based SWAP vs. ZFS zvol SWAP

2010-01-27 Thread Andrew Gabriel
so it doesn't need to swap. Then it doesn't matter what the performance of the swap device is. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] 2gig file limit on ZFS?

2010-01-21 Thread Andrew Gabriel
on which types of file systems, we're limited to guessing. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs send/receive as backup - reliability?

2010-01-21 Thread Andrew Gabriel
), and they now have affordable storage for their projects, which makes them viable once more. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] "NearLine SAS"?

2010-01-19 Thread Andrew Gabriel
much better with hybrid storage pools. So these drives sound to me to have been designed specifically for ZFS! It's hard to imagine any other filesystem which can exploit them so completely. -- Andrew ___ zfs-discuss mailing list zf

Re: [zfs-discuss] hard drive choice, TLER/ERC/CCTL

2009-12-10 Thread Andrew Gabriel
ed them to be long in some cases when things do go wrong and timeouts and retries are triggered. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS incremental receives fail

2009-12-10 Thread Andrew Robert Nicols
On Thu, Dec 10, 2009 at 09:50:43AM +, Andrew Robert Nicols wrote: > We've been using ZFS for about two years now and make a lot of use of zfs > send/receive to send our data from one X4500 to another. This has been > working well for the past 18 months that we've been doin

[zfs-discuss] ZFS incremental receives fail

2009-12-10 Thread Andrew Robert Nicols
We've been using ZFS for about two years now and make a lot of use of zfs send/receive to send our data from one X4500 to another. This has been working well for the past 18 months that we've been doing the sends. I recently upgraded the receiving thumper to Solaris 10 u8 and since then, I've been

[zfs-discuss] Resend : zfs: questions on ARC membership based on type/ordering of Reads/Writes

2009-12-09 Thread Andrew . Rutz
hi, i'm re-sending this because I'm hoping that someone has some answers to the following questions. I'm working a hot Escalation on AmberRoad and am trying to understand what's under zfs' hood. thanks Solaris RPE /andrew rutz On 11/25/09 13:55, andrew.r...@sun.c

[zfs-discuss] zfs allow - internal error

2009-12-09 Thread Andrew Robert Nicols
months ago. Has anyone else seen this? Thanks, Andrew -- Systems Developer e: andrew.nic...@luns.net.uk im: a.nic...@jabber.lancs.ac.uk t: +44 (0)1524 5 10147 Lancaster University Network Services is a limited company registered in England and Wales. Registered number: 04311892. Registe

[zfs-discuss] my ZFS backup script -- feedback appreciated

2009-12-08 Thread Andrew Daugherity
eful. Note: I'm running sol10u8. I expect this to work fine on recent OpenSolaris also, but I have not tested that. The only change required to make zfs-auto-snapshot v0.12 work on sol10u8 was changing ksh93 to dtksh in the shebang line. Andrew Daugherity Systems Analyst Division of

Re: [zfs-discuss] zfs on ssd

2009-12-05 Thread Andrew Gabriel
) to have used computers back in the days when they all did this anyway... Funny how things go full circle... -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] has a new prefetch implementation been putback ?

2009-12-04 Thread andrew rutz
hi, i hear rumors that a read-prefetch implementation has been putback to opensolaris/ON. if so, which build is it available in? will it be putback to S10 ? tnx -- Andrew Rutzandrew.r...@sun.com Solaris RPE Ph: (x64089) 512

[zfs-discuss] zfs: questions on ARC membership based on type/ordering of Reads/Writes

2009-11-25 Thread Andrew . Rutz
he l2arc literally simply a *larger* ARC? eg, does the l2arc obey the normal cache property where "everything that is in the L1$ (eg, ARC) is also in the L2$ (eg, l2arc)" ? (I have a feeling that the set-theoretic intersection of ARC and L2ARC is empty (for some reason). o

Re: [zfs-discuss] Heads up: SUNWzfs-auto-snapshot obsoletion in snv 128

2009-11-23 Thread Andrew Gabriel
export/zones/s...@20091122 0 - 5.21G - a20$ All the ones with USED = 0 haven't changed. Don't know if this info is available without spinning up disks though. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-dis

Re: [zfs-discuss] Resilver/scrub times?

2009-11-22 Thread Andrew Gabriel
activities. It would be really nice to have a speed knob on these operations, which you can vary while the activity progresses, depending on other uses of the system. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensola

Re: [zfs-discuss] Resilver/scrub times?

2009-11-22 Thread Andrew Gabriel
;t use much CPU, but it does interfere with the interactive response of the desktop. I suspect this is due to the i/o's it queues up on the disks. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zpool on fdisk partition

2009-11-19 Thread Andrew Gabriel
rpreted as something else, ZFS doesn't care. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] building zpools on device aliases

2009-11-17 Thread Andrew Gabriel
7;s still in triage so probably not yet visible externally. Part of this RFE relates to a requirement for vanity naming of disks, although your requirement is a little different. If you are on support, you should get yourself added to the RFE, together with your precise requirements as above.

Re: [zfs-discuss] zfs inotify?

2009-11-10 Thread Andrew Daugherity
a replica of the "source". FWIW, I'm using rsync 3.0.6 from opencsw. Older rsync should work fine but may take longer to run. -Andrew >>> Richard Elling 11/9/2009 7:33 PM >>> Seems to me that you really want auditing. You can configure the audit system to on

Re: [zfs-discuss] zfs inotify?

2009-11-09 Thread Andrew Daugherity
.1TB-and-growing FS) seems like a great idea, if I could find a working tool. It looks like dircmp(1) might be a possibility, but I'm open to suggestions. I suppose I could use something like AIDE or tripwire, although that seems a bit like swatting a fly with a sledgehammer. Thanks, Andre

Re: [zfs-discuss] zfs inotify?

2009-11-09 Thread Andrew Daugherity
d/receive, but I need a way to see what changed in the past day. Thanks, Andrew Daugherity Systems Analyst Division of Research & Graduate Studies Texas A&M University >>> Trevor Pretty 10/26/2009 5:16 PM >>> Paul Being a script hacker like you the only kludge

Re: [zfs-discuss] how to add a partition to a zpool?

2009-11-04 Thread Andrew Gabriel
A Darren Dunham wrote: On Wed, Nov 04, 2009 at 09:59:05AM +, Andrew Gabriel wrote: It can be done by careful use of fdisk (with some risk of blowing away the data if you get it wrong), but I've seen other email threads here that indicate ZFS then won't mount the pool, becau

Re: [zfs-discuss] how to add a partition to a zpool?

2009-11-04 Thread Andrew Gabriel
he end of the partition is). You could create a separate zpool in the spare fdisk partition. Not good for performance, but probably fine for infrequently accessed data. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] automate zpool scrub

2009-11-01 Thread Andrew Gabriel
user. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] automate zpool scrub

2009-11-01 Thread Andrew Gabriel
t_27 svc:/system/cron:default Why zpool scrub was not done? What did the output of the cron job say? My guess would be that zpool wasn't in the PATH. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/m

Re: [zfs-discuss] S10U8 msg/ZFS-8000-9P

2009-10-29 Thread Andrew Gabriel
externally though). The relevant part of the document just shows an example zpool replace command. Another part of the document gives advice which I suspect is incorrect (and certainly generally unsuitable), and I'm guessing it's just someone's internal notes, a

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-10-27 Thread Andrew Gabriel
but if ZFS is smart enough to block several threads on fsync at once, batch up their work to a single ZIL write-and-sync, then the three-instance scheme will have no benefit. ZFS does exactly this. I demonstrate it on the SSD Discovery Days I run periodi

[zfs-discuss] Unable to destroy/rollback snapshot

2009-10-21 Thread Andrew Robert Nicols
@200908271200 347 r...@thumper1:~> zfs rollback -r thumperpool/m...@200908270100 cannot destroy 'thumperpool/m...@200908271200': dataset already exists This is an X4500 running Solaris U8. I'm running zpool version 15 and zfs version 2. Any guidance much appreciated. Andre

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-10-20 Thread Andrew Gabriel
rade" SSDs, please let me know! I haven't seen that on the X25-E disks I hammer as part of the demos on the "Turbocharge Your Apps" discovery days I run. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Does ZFS work with SAN-attached devices?

2009-10-13 Thread Andrew Gabriel
we will at least let them know when their multi-million dollar storage system silently drops a bit, which they tend to far more often than most customers realise. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] How to use ZFS on x4270

2009-10-12 Thread Andrew Gabriel
t. (Some of the MTA testing standards do permit message duplication on unexpected MTA outage, but never any loss, or at least didn't 10 years ago when I was working in this area.) An MTA is basically a transactional database, and (if properly written), the requirements on the u

Re: [zfs-discuss] use zpool directly w/o create zfs

2009-10-10 Thread Andrew Gabriel
like one you create explicitly, and it shows up in "zfs list". -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Can't rm file when "No space left on device"...

2009-10-01 Thread Andrew Gabriel
ving a file from one or more snapshots at the same time as removing the source ... Rudolf -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Unusual latency issues

2009-09-28 Thread Andrew Gabriel
different nics (bge and e1000).   Unless you have some specific reason for thinking this is a zfs issue, you probably want to ask on the crossbow-discuss mailing list. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] Help! System panic when pool imported

2009-09-27 Thread Andrew
This is what my /var/adm/messages looks like: Sep 27 12:46:29 solaria genunix: [ID 403854 kern.notice] assertion failed: ss == NULL, file: ../../common/fs/zfs/space_map.c, line: 109 Sep 27 12:46:29 solaria unix: [ID 10 kern.notice] Sep 27 12:46:29 solaria genunix: [ID 655072 kern.notice]

Re: [zfs-discuss] Help! System panic when pool imported

2009-09-27 Thread Andrew
I'm getting the same thing now. I tried moving my 5-disk raidZ and 2disk Mirror over to another machine, but that machine would keep panic'ing (not ZFS related panics). When I brought the array back over, I started getting this as well.. My Mirror array is unaffected. snv111b (2009.06 release)

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Andrew Gabriel
it puts hot data on the outer edge of a disk and uses slower parts of disks for less performant data (things like backups), so it certainly could decide what goes into flash. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS file disk usage

2009-09-22 Thread Andrew Deason
up to the next recordsize boundary, are we guaranteed to be able to get the from the blocksize reported by statvfs? -- Andrew Deason adea...@sinenomine.net ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS file disk usage

2009-09-22 Thread Andrew Deason
On Mon, 21 Sep 2009 18:20:53 -0400 Richard Elling wrote: > On Sep 21, 2009, at 2:43 PM, Andrew Deason wrote: > > > On Mon, 21 Sep 2009 17:13:26 -0400 > > Richard Elling wrote: > > > >> You don't know the max overhead for the file before it is > >>

Re: [zfs-discuss] ZFS file disk usage

2009-09-21 Thread Andrew Deason
this, it seems like the worst case is when copies=3. Is that max with copies=3? Assume copies=1; what is it then? -- Andrew Deason adea...@sinenomine.net ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS file disk usage

2009-09-21 Thread Andrew Deason
t commit delay. But solving the general problem for me isn't necessary. If I could just get a ballpark estimate of the max overhead for a file, I would be fine. I haven't payed attention to it before, so I don't even have an intuitive feel for what it is. -- Andrew Deason adea...

Re: [zfs-discuss] ZFS file disk usage

2009-09-20 Thread Andrew Deason
nly possible for other applications to fill up the disk. We just need to ensure that we don't fill up the disk to block other applications. You may think this is fruitless, and just from that description alone, it may be. But you must understand that with

Re: [zfs-discuss] ZFS file disk usage

2009-09-18 Thread Andrew Deason
efficiency somewhat. Files are truncated to 0 and grow again quite often in busy clients. But that's an efficiency issue, we'd still be able to stay within the configured limit that way. But anyway, 128k may be fine for me, but what about if someone sets thei

Re: [zfs-discuss] ZFS file disk usage

2009-09-18 Thread Andrew Deason
er of filesystem-specific steps needed to be taken to set up the cache. You don't need to do anything special for a tmpfs cache, for instance, or ext2/3 caches on linux. -- Andrew Deason adea...@sinenomine.net ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS file disk usage

2009-09-18 Thread Andrew Deason
pothetical case of the metadata compression ratio being effectively the same as without compression, what would it be then? -- Andrew Deason adea...@sinenomine.net ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS file disk usage

2009-09-17 Thread Andrew Deason
the space calculations to be made /before/ the write is done. It may be possible to change that, but I'd rather not, if possible (and I'd have to make sure there's not a significant speed hit in doing so). -- Andrew Deason adea...@sinenomine.net ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] migrating from linux to solaris ZFS

2009-09-17 Thread Andrew Gabriel
else. Plus ideally you want this as EFI unless you need to put OpenSolaris into that pool to boot from it - but sounds like you don't. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] ZFS file disk usage

2009-09-17 Thread Andrew Deason
and any additional parameters needed). If we just have a way of knowing in advance how much disk space we're going to take up by writing a certain amount of data, we should be okay. Or, if anyone has any other ideas on how to overcome this, it would be welcomed. -- Andrew Deason adea...@s

Re: [zfs-discuss] ZFS commands hang after several zfs receives

2009-09-01 Thread Andrew Robert Nicols
. > The case has been identified and I've just received an IDR,which I will > test next week. I've been told the issue is fixed in update 8, but I'm > not sure if there is an nv fix target. > > I'll post back once I've abused a test system for a while.

[zfs-discuss] ZFS commands hang after several zfs receives

2009-08-28 Thread Andrew Robert Nicols
rmware. Unfortunately, the zpool and zfs versions are too high to downgrade thumper1 too. I've tried upgrading thumper1 to 117 and now 121. We were originally running 112. I'm still seeing exactly the same issues though. What can I do in an attempt to find out what is causing these lockup

Re: [zfs-discuss] How to remove [alternate] cylinders from slice 9?

2009-08-21 Thread Andrew Gabriel
abels are involved though.) -- Andrew Gabriel Jeff Victor wrote: I am trying to mirror an existing zpool on OpenSolaris 2009.06. I think I need to delete two alternate cylinders... The existing disk in the pool (c7d0s0): Part TagFlag Cylinders SizeBloc

Re: [zfs-discuss] unsetting/resetting ZFS properties

2009-08-13 Thread Andrew Gabriel
t functionality is expected to be, based on the structure of the other commands. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] how is size of Volume computed?

2009-08-03 Thread Andrew . Rutz
sed by zfs as metadata? and/or: why wouldn't the READ-CAPACITY command return a value that's a lot closer to 33GB? tnx /andrew (I work in Sun's Sustaining group) On 08/03/09 12:02, cindy.swearin...@sun.com wrote: Hi Andrew, The AVAIL column indicates the pool size, not the vo

[zfs-discuss] how is size of Volume computed?

2009-08-03 Thread Andrew A. Rutz
14.0K DMU dnode 1416K 8K 24.4G 38.0K zvol object <<<<<< 2116K512512 1K zvol prop thanks /andrew -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] grow zpool by replacing disks

2009-08-03 Thread Andrew Gabriel
36G disks on runs build 117 w/ zfs pool version 15.) It also happens (at least in snv_113) just by rebooting (which can be really bad news if you need it not to happen). -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http:

[zfs-discuss] zfs: how is size of Volume computed?

2009-08-01 Thread Andrew . Rutz
14.0K DMU dnode 1416K 8K 24.4G 38.0K zvol object <<<<<< 2116K512512 1K zvol prop thanks /andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] feature proposal

2009-07-31 Thread Andrew Gabriel
I guess I miss something here. Can you explain to me why the above would be better (nice to have) then "zfs create whate...@now?" Many more systems have a mkdir (or equivalent) command than have a zfs command. -- Andrew ___ zfs-disc

Re: [zfs-discuss] [n/zfs-discuss] Strange speeds with x4500, Solaris 10 10/08

2009-07-30 Thread Andrew Gabriel
s to capacity, although improvements in other HDD performance characteristics has been very disappointing this decade (e.g. IOPs haven't improved much at all, indeed they've only seen a 10-fold improvement over the last 25 years). -- Andrew _

Re: [zfs-discuss] ZFS Mirror cloning

2009-07-25 Thread Andrew Gabriel
or a 500GB zpool with 8 filesystems and 3,500 snapshots. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Mirror cloning

2009-07-24 Thread Andrew Gabriel
se it is the config we use for the root/boot pool. Not so much a 2 disk mirror, but a single vdev mirror (e.g. also a 3-way mirror, having one split off). This is asked for by multiple customers at every ZFS Discovery Day we do. See 6849185 and 5

Re: [zfs-discuss] SSDs get faster and less expensive

2009-07-21 Thread Andrew Gabriel
you can't write new data to the SSD, but it still has all your existing data available for reading. (At least for Enterprise SSD's -- I don't know much about the MLC consumer drives.) -- Andrew ___ zfs-discuss mailing list zf

Re: [zfs-discuss] SSDs get faster and less expensive

2009-07-21 Thread Andrew Gabriel
5-M drives referred to are Intel's Mainstream drives, using MLC flash. The Enterprise grade drives are X25-E, which currently use SLC flash (less dense, more reliable, much longer lasting/more writes). The expected lifetime is similar to an Enterprise grade hard dri

[zfs-discuss] Non-unique disk names

2009-07-20 Thread Andrew Gabriel
now, and I've crossed my fingers and typed zpool detach export c3d0 and on both occasions, it has detached the FAULTED disk rather than the ONLINE disk, which is exactly what I wanted. However, was I just lucky each time, or is there logic to pick the FAULTED disk when the disk n

Re: [zfs-discuss] Resilvering Loop

2009-07-11 Thread Andrew Gabriel
very time-consuming process. Is there a more proper way to approach this issue? Should I be filing a bug report? What release and/or build? -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Hanging receive

2009-07-08 Thread Andrew Robert Nicols
On Wed, Jul 08, 2009 at 09:41:12AM +0100, Andrew Robert Nicols wrote: > On Wed, Jul 08, 2009 at 08:31:54PM +1200, Ian Collins wrote: > > Andrew Robert Nicols wrote: > > > >> The thumper unning 112 has continued to experience the issues described by > >> Ian and

Re: [zfs-discuss] Hanging receive

2009-07-08 Thread Andrew Robert Nicols
On Wed, Jul 08, 2009 at 08:31:54PM +1200, Ian Collins wrote: > Andrew Robert Nicols wrote: > >> The thumper unning 112 has continued to experience the issues described by >> Ian and others. I've just upgraded to 117 and am having even more issues - >> I'm unable

Re: [zfs-discuss] Hanging receive

2009-07-08 Thread Andrew Robert Nicols
181800 cannot destroy 'thumperpool/m...@200906181900': dataset already exists As a result, I'm a bit scuppered. I'm going to try going back to by 112 installation instead to see if that resolves any of my issues. All of our thumpers have the following disk configuration:

[zfs-discuss] possible to override/inherit mountpoint on received snapshots?

2009-07-07 Thread Andrew Daugherity
hots received with "zfs receive -d" to inherit their mountpoint from the pool they are imported into, and/or explicitly override it? Thanks, Andrew Daugherity Systems Analyst Division of Research & Graduate Studies Texas A&M University ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Why is Solaris 10 ZFS performance so terrible?

2009-07-06 Thread Andrew Gabriel
toys and convert to Microsoft products. If you change platform every time you get two bugs in a product, you must cycle platforms on a pretty regular basis! You often find the change is towards Windows. That very rarely has the same rules applied, so things then stick there. -- Andrew

Re: [zfs-discuss] how to discover disks?

2009-07-06 Thread Andrew Gabriel
controller _and_ driver. For SATA disks, the controller must have a Solaris driver which drives the disks in native SATA mode (such as nv_sata(7D)), and not IDE compatibility mode (such as SATA disks driven by ata(7D)). -- Andrew ___ zfs-discuss ma

Re: [zfs-discuss] x4500 resilvering spare taking forever?

2009-06-21 Thread Andrew Gabriel
gress by issuing zpool status commands as a non-privilaged user. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

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