Space taken by snapshots can be found during a mirror copy it seems ?

2010-04-23 Thread Siju George
Hi, I found the following information during a mirror copy dfly-bkpsrv# hammer mirror-copy /Backup1/www-5mbak/www-hot /Backup2/pfs/www-hot Prescan to break up bulk transfer Prescan 1 chunks, total 3697 MBytes (3876851752) Mirror-read /Backup1/www-5mbak/www-hot succeeded So I did dfly-bkpsrv#

Minimum size for a hammer file system?

2010-04-23 Thread Colin Adams
I thought I had previously seen (on this mailing list) advice that hammer was designed for use on 500GB systems or bigger. Accordingly, as I only have a 160GB drive, I am not using it. But just now (after reading some of today's messages), I took a look at http://www.dragonflybsd.org/hammer/ to

hammer cleanup removes snapshots even when retention time is 0 when it ought to have disabled removing snapshots

2010-04-23 Thread Siju George
Hi, The hammer man page says If the snapshots directive has a period of 0 and a retention time of 0 then snapshot generation is disabled, removal of old snap- shots are disabled, So I configured it with the folowing values. snapshots 0d 0d prune 1d

pfs-destroy failed

2010-04-23 Thread Siju George
Hi, Since hammer cleanup core dumped while directly using on the pfs I tried to make all operations through the symlink. But pfs-destroy failed then. later succeeded when using it directy on the pfs. dfly-bkpsrv# hammer pfs-destroy /Backup2/www-5mbak/www-hot You have requested that PFS#4 () be

Re: hammer cleanup removes snapshots even when retention time is 0 when it ought to have disabled removing snapshots

2010-04-23 Thread YONETANI Tomokazu
On Fri, Apr 23, 2010 at 01:47:13PM +0530, Siju George wrote: The hammer man page says If the snapshots directive has a period of 0 and a retention time of 0 then snapshot generation is disabled, removal of old snap- shots are disabled,

Re: Minimum size for a hammer file system?

2010-04-23 Thread Sascha Wildner
Am 23.04.2010 09:19, schrieb Colin Adams: I thought I had previously seen (on this mailing list) advice that hammer was designed for use on 500GB systems or bigger. Accordingly, as I only have a 160GB drive, I am not using it. But just now (after reading some of today's messages), I took a look

Re: pfs-destroy failed

2010-04-23 Thread YONETANI Tomokazu
On Fri, Apr 23, 2010 at 02:18:14PM +0530, Siju George wrote: Hi, Since hammer cleanup core dumped while directly using on the pfs I tried to make all operations through the symlink. But pfs-destroy failed then. later succeeded when using it directy on the pfs. Similar thing occurred to me

Re: hammer cleanup removes snapshots even when retention time is 0 when it ought to have disabled removing snapshots

2010-04-23 Thread Siju George
On Fri, Apr 23, 2010 at 2:50 PM, YONETANI Tomokazu qhwt+d...@les.ath.cx wrote: On Fri, Apr 23, 2010 at 01:47:13PM +0530, Siju George wrote: The hammer man page says              If the snapshots directive has a period of 0 and a retention time              of 0 then snapshot generation is

Re: Minimum size for a hammer file system?

2010-04-23 Thread Steve O'Hara-Smith
On Fri, 23 Apr 2010 11:21:27 +0200 Sascha Wildner s...@online.de wrote: Am 23.04.2010 09:19, schrieb Colin Adams: I thought I had previously seen (on this mailing list) advice that hammer was designed for use on 500GB systems or bigger. Accordingly, as I only have a 160GB drive, I am not

Re: hammer cleanup removes snapshots even when retention time is 0 when it ought to have disabled removing snapshots

2010-04-23 Thread Siju George
On Fri, Apr 23, 2010 at 2:50 PM, YONETANI Tomokazu qhwt+d...@les.ath.cx wrote: On Fri, Apr 23, 2010 at 01:47:13PM +0530, Siju George wrote: The hammer man page says              If the snapshots directive has a period of 0 and a retention time              of 0 then snapshot generation is

Able to access a snapshot removed using hammer cleanup using an old snapshot softlink on unmounted slave pfs

2010-04-23 Thread Siju George
/ Snapshots on (null) PFS #4 Transaction ID Timestamp Note dfly-bkpsrv# ls -l /Backup2/www-5mbak/snap-20100423-1600 lrwxr-xr-x 1 root wheel 48 Apr 23 16:00 /Backup2/www-5mbak/snap-20100423-1600 - /Backup2/www-5mbak/www-hot//@@0x0001d1b81290 dfly-bkpsrv# cd /Backup2/www

Re: Able to access a snapshot removed using hammer cleanup using an old snapshot softlink on unmounted slave pfs

2010-04-23 Thread Siju George
/Backup2/www-5mbak/www-hot/ Snapshots on (null) PFS #4 Transaction ID Timestamp Note dfly-bkpsrv# ls -l /Backup2/www-5mbak/snap-20100423-1600 lrwxr-xr-x 1 root wheel 48 Apr 23 16:00 /Backup2/www-5mbak/snap-20100423-1600 - /Backup2/www-5mbak/www-hot//@@0x0001d1b81290

Snapshots ordering on slave and pfs according to freequency for snapshot management

2010-04-23 Thread Siju George
On Fri, Apr 23, 2010 at 2:22 AM, Matthew Dillon dil...@apollo.backplane.com wrote: :For a MS Windows user it will look like the actual pic below. : :http://picasaweb.google.com/sgeorge.ml/OpenBSDDesktop#5462824618389365522 : :Clicking on the snapshot Directory they can get the snapshot

overcoming the 32k objects limit is ext3 - which file system to use?

2010-04-23 Thread Siju George
Hi, ext3 can have only 32000 files/folders under a folder and I hit that limit. Whhich file system can I use to over come it? I am planning for JFS Does anybody has any recommendations? Thanks --Siju

Re: Minimum size for a hammer file system?

2010-04-23 Thread Sdävtaker
The problem with the small FSs is the manteinance of them, you will hit the diskfull too fast in very small FS (unless you tune it up propperly and increase the cleanup/prune frequencies). In my real box i got a 160GB disk and worked fine since hammer was released until now. In my virtualbox it

HEADS UP: tunables for dsched have changed, serno support

2010-04-23 Thread Alex Hornung
Hi all, Just a short heads-up: I've just committed another change to the loader tunables for dsched. They now are named dsched.* instead of kern.dsched.*. This is to use the same namespace as the dsched sysctl tree. Dsched now also support sernos, e.g.: dsched.policy.WD19339191 = fq Cheers,

Re: overcoming the 32k objects limit is ext3 - which file system to use?

2010-04-23 Thread Siju George
Hi, Very Sorry :-( This was supposed to go to the debian list :-( thanks --Siju On Fri, Apr 23, 2010 at 6:56 PM, Siju George sgeorge...@gmail.com wrote: Hi, ext3 can have only 32000 files/folders under a folder and I hit that limit. Whhich file system can I use to over come it? I am