Re: [zfs-discuss] send/recv over ssh

2010-05-20 Thread Gaëtan Lehmann
ed). And twiddle the internal buffers that OpenSSH uses to improve transfer rates, especially on 100 Mbps or faster links. Without patching anything, using arcfour instead of the default cipher increase the transfer rate dramatically. It is bounded by the Gb/s network here, not by ssh. Ga

Re: [zfs-discuss] zones and other filesystems

2010-01-21 Thread Gaëtan Lehmann
ause of the automounter. If you don't need that feature, try to disable it in your zone with svcadm disable autofs Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.jo

Re: [zfs-discuss] zones and other filesystems

2010-01-21 Thread Gaëtan Lehmann
app/docs/doc/817-1592/z.conf.start-29?a=view This option don't let you manage the filesystems from the zone though. You must use "add dataset" in that case. http://docs.sun.com/app/docs/doc/819-5461/gbbst?a=view Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-18 Thread Gaëtan Lehmann
derived from "1" you can't destroy "1" unless you've already destroyed "2" This is definitely possible with zfs. Just try! Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66f

Re: [zfs-discuss] Backing up a ZFS pool

2010-01-17 Thread Gaëtan Lehmann
shot, a full incremental every month may not be required. A rsync run with the --checksum option every month may be good enough. It forces the read of the full data on both sides, but at least it avoids the network transfer if the pools are on different hosts, and it avoids increasing the s

Re: [zfs-discuss] directory size on compressed file system on Solaris 10

2009-12-21 Thread Gaëtan Lehmann
Le 21 déc. 09 à 20:23, Joerg Schilling a écrit : Matthew Ahrens wrote: Gaëtan Lehmann wrote: Hi, On opensolaris, I use du with the -b option to get the uncompressed size of a directory): r...@opensolaris:~# du -sh /usr/local/ 399M/usr/local/ r...@opensolaris:~# du -sbh /usr

Re: [zfs-discuss] directory size on compressed file system on Solaris 10

2009-12-21 Thread Gaëtan Lehmann
Le 21 déc. 09 à 19:28, Matthew Ahrens a écrit : Gaëtan Lehmann wrote: Hi, On opensolaris, I use du with the -b option to get the uncompressed size of a directory): r...@opensolaris:~# du -sh /usr/local/ 399M/usr/local/ r...@opensolaris:~# du -sbh /usr/local/ 915M/usr/local/ r

[zfs-discuss] directory size on compressed file system on Solaris 10

2009-12-21 Thread Gaëtan Lehmann
is the best way to get the uncompressed size of a directory on Solaris 10? Regards, Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.jouy.inra.fr http://www.itk.org http

Re: [zfs-discuss] zfs zend is very slow

2009-12-16 Thread Gaëtan Lehmann
e. If you found that ssh is what is slowing down the transfer, maybe another cipher than the default one can help. Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.jouy.inra.fr

Re: [zfs-discuss] Zfs improvements to compression in Solaris 10?

2009-10-30 Thread Gaëtan Lehmann
can't find it on sunsolve. Thanks, Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.jouy.inra.fr http://www.itk.org http://www.mandriva.org http://www.bepo.fr PGP.sig Descri

Re: [zfs-discuss] compressed fs taking up more space than uncompressed equivalent

2009-10-23 Thread Gaëtan Lehmann
receive ? zfs send/receive or rsync -aH may do a better job by preserving hard links. Regards, Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.jouy.inra.fr http://www.itk.or

Re: [zfs-discuss] snv_110 -> snv_121 produces checksum errors on Raid-Z pool

2009-09-03 Thread Gaëtan Lehmann
g the scrub on snv 121, I run a scrub on snv 118 and find the same amount of error, all on rpool/dump. I dropped that zvol, rerun the scrub again still on snv 118 without any error. After a reboot on snv 121 and a new scrub, no checksum error are reported. Regards, Gaëtan -- Gaëtan

Re: [zfs-discuss] nuke lots of snapshots

2009-09-03 Thread Gaëtan Lehmann
manually destroy all 600+ snapshots with zfs destroy? zfs list -r -t snapshot -o name -H pool | xargs -tl zfs destroy should destroy all the snapshots in a pool Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66

Re: [zfs-discuss] snv_110 -> snv_121 produces checksum errors on Raid-Z pool

2009-09-02 Thread Gaëtan Lehmann
cially how much memory and if it has ECC orbus parity? I see the same problem on a workstation with ECC RAM and disks in mirror. The host is a Dell T5500 with 2 cpus and 24 GB of RAM. Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel:

[zfs-discuss] zfs receive -o

2009-08-13 Thread Gaëtan Lehmann
thing? Would it be possible to have such an option? Regards, Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.jouy.inra.fr http://www.itk.org http://www.mandriva.org http://www.be

Re: [zfs-discuss] feature proposal

2009-07-31 Thread Gaëtan Lehmann
of this. 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?" Because it can be done on any host mounting this file system through a network protocol like NFS or CIFS. A nice feature for a NAS. Gaëtan -- Gaë

Re: [zfs-discuss] How to "mirror" an entire zfs pool to another pool

2009-07-28 Thread Gaëtan Lehmann
% ETA 0:00:58 A nice and simple way to get a progress report! Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.jouy.inra.fr http://www.itk.org http://www.mandriva.org http://www.bepo

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

2009-07-14 Thread Gaëtan Lehmann
cs real13m48.19s user0m2.07s sys 0m44.45s Feel free to clean up with 'zfs destroy rpool/zfscachetest'. -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.j

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

2009-07-13 Thread Gaëtan Lehmann
ailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss -- Gaëtan Lehmann Biologie du Développeme

Re: [zfs-discuss] Wrice cache for compressed file system

2009-07-07 Thread Gaëtan Lehmann
the OS and post the result on the list. Thanks, Gaëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.jouy.inra.fr http://www.itk.org http://www.mandriva.org http://www.bepo.fr

Re: [zfs-discuss] Wrice cache for compressed file system

2009-07-07 Thread Gaëtan Lehmann
Le 7 juil. 09 à 15:21, Darren J Moffat a écrit : Gaëtan Lehmann wrote: There will be two kinds of transfer protocol, once in production - CIFS and one specific to the application. But for a quick test, the test was made with scp. CIFS and scp are very different protocols with very

Re: [zfs-discuss] Wrice cache for compressed file system

2009-07-07 Thread Gaëtan Lehmann
Hi Darren, Le 7 juil. 09 à 13:41, Darren J Moffat a écrit : Gaëtan Lehmann wrote: I'd like to compress quite well compressable (~4x) data on a file server using ZFS compression, and still get good transfer speed. The users are transferring several GB of data (typically, 8-10 GB).

[zfs-discuss] Wrice cache for compressed file system

2009-07-06 Thread Gaëtan Lehmann
aëtan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66fax: 01 34 65 29 09 http://voxel.jouy.inra.fr http://www.itk.org http://www.mandriva.org http://www.bepo.fr PGP.sig Description: Ceci est une signature électroniqu