Re: [zfs-discuss] ZFS - Sudden decrease in write performance

2010-12-02 Thread Louis Carreiro
istware.net/201005/opensolaris-zfs/115564-zfs-discuss-small-stalls-slowing-down-rsync-from-holding-network-saturation-every-5-seconds.html > > On 16 Nov 2010 00:20, "Louis Carreiro" wrote: > Almost! It seems like it held out a bit further than last time. Now "arcsz" >

Re: [zfs-discuss] ZFS - Sudden decrease in write performance

2010-11-15 Thread Louis Carreiro
tioned values lower than 12288 ms. On Mon, Nov 15, 2010 at 6:35 PM, Khushil Dep wrote: > Set your txg_synctime_ms to 0x3000 and retest please? > > On 15 Nov 2010 23:23, "Louis" wrote: > > Hey all1 > > > > Recently I've decided to implement OpenSolari

[zfs-discuss] ZFS - Sudden decrease in write performance

2010-11-15 Thread Louis
Hey all1 Recently I've decided to implement OpenSolaris as a target for BackupExec. The server I've converted into a "Storage Appliance" is an IBM x3650 M2 w/ ~4TB of on board storage via ~10 local SATA drives and I'm using OpenSolaris svn_134. I'm using a QLogic 4Gb FC HBA w/ the QLT driver an

Re: [zfs-discuss] USB WD Passport 500GB zfs mirror bug

2009-09-14 Thread Louis-Frédéric Feuillette
vered > c7t0d0p0 FAULTED 0 113 0 corrupted data > > errors: No known data errors > > > I have disconnected c8t0d0p0 but zfs reports that c7t0d0p0 has been > faulty !? Both disks read c7t0d0p0, not c7t0d0p0 and c8t0d0p0 as you have in #1-4. Typo? -

Re: [zfs-discuss] zfs compression algorithm : jpeg ??

2009-09-04 Thread Louis-Frédéric Feuillette
bols + data_symbol_table. In practice this doesn't happen due to floating point overflows and some other issues. [2] http://en.wikipedia.org/wiki/Arithmetic_coding -- Louis-Frédéric Feuillette ___ zfs-discuss mailing list zfs-discuss@opensolar

Re: [zfs-discuss] Books on File Systems and File System Programming

2009-08-14 Thread Louis-Frédéric Feuillette
I did see this, Thanks. On Fri, 2009-08-14 at 10:51 -0400, Christine Tran wrote: > > > 2009/8/14 Louis-Frédéric Feuillette > > > I am primarily interested in the theory of how to write a > filesystem. > The kernel interface come

Re: [zfs-discuss] Books on File Systems and File System Programming

2009-08-14 Thread Louis-Frédéric Feuillette
On Fri, 2009-08-14 at 12:34 +0200, Joerg Schilling wrote: > Louis-Frédéric Feuillette wrote: > > > I saw this question on another mailing list, and I too would like to > > know. And I have a couple questions of my own. > > > > == Paraphrased from other li

[zfs-discuss] Books on File Systems and File System Programming

2009-08-13 Thread Louis-Frédéric Feuillette
ing in the UNIX envirionment File Structures: An OO approach using C++ Database System concepts (More about SQL and how to implement Joins ) Thanks in advance. -- Louis-Frédéric Feuillette ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.

Re: [zfs-discuss] zfs fragmentation

2009-08-11 Thread Louis-Frédéric Feuillette
stem you > use, the scalability will look more-or-less similar. For millions of > files, > ZFS send/receive works much better. More details are in my paper. Is there link to this paper available? -- Louis-Frédéric Feuillette ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Lundman home NAS

2009-08-01 Thread Louis-Frédéric Feuillette
e ) for them to give more accurate data. Unrelated, what did you use to generate those graphs, they look good. Also, do you have a hardware list on your site somewhere that I missed? I'd like to know more about the hardware. -- Louis-Frédéric Feuillette _

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

2009-07-21 Thread Louis-Frédéric Feuillette
about SSDs that I missed in my travels? -- Louis-Frédéric Feuillette ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS pegging the system

2009-07-17 Thread Louis-Frédéric Feuillette
this a NFS sync issue? Might a SSD ZIL help? -- Louis-Frédéric Feuillette ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Single disk parity

2009-07-07 Thread Louis-Frédéric Feuillette
tion would only really be useful for home users or simple workstations. It also could have some performance implications. -Jebnor -- Louis-Frédéric Feuillette ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Ditto blocks on RAID-Z pool.

2009-07-02 Thread Louis-Frédéric Feuillette
ny advantage to using ditto blocks on top of raid-z(2)? Jebnor -- Louis-Frédéric Feuillette ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Mobo SATA migration to AOC-SAT2-MV8 SATA card

2009-06-20 Thread Louis-Frédéric Feuillette
Is it a simple case of (1) issuing a 'zpool export pool_name' command, (2) > shutdown, (3) insert card and move all SATA cables for drives from mobo to > card, (4) boot and issue a 'zpool import pool_name' command ? > > Thanks, > Simon > > http:

Re: [zfs-discuss] Lots of metadata overhead on filesystems with 100M files

2009-06-18 Thread Louis Romero
types and run different sections of code based upon what it finds? louis On 06/17/09 11:38, Dirk Nitschke wrote: Hi Louis! Solaris /usr/bin/find and Linux (GNU-) find work differently! I have experienced dramatic runtime differences some time ago. The reason is that Solaris find and GNU find use

Re: [zfs-discuss] Lots of metadata overhead on filesystems with 100M files

2009-06-17 Thread Louis Romero
the next updatedb is run. HTH louis On 06/16/09 11:55, Jose Martins wrote: Hello experts, IHAC that wants to put more than 250 Million files on a single mountpoint (in a directory tree with no more than 100 files on each directory). He wants to share such filesystem by NFS and mount it th

Re: [zfs-discuss] CIFS and zfs

2009-01-19 Thread Louis Hoefler
everything works without problems. Somehow there where problems with the windows name resolution without the restart. Maybe thats becouse I used the wins deamon before? Greets Louis Hoefler. -- This message posted from opensolaris.org ___ zfs-discuss ma

Re: [zfs-discuss] CIFS and zfs

2009-01-18 Thread Louis Hoefler
Ok I found a solution. Thanks for your help. svcadm enable samba wins swat modified /etc/sfw/smb.conf: [global] server string = Unix-Windows share security = SHARE wins server = 192.168.1.2, 192.168.1.1 [apache22] comment = Apache 2.2 share path = /var/apa

Re: [zfs-discuss] CIFS and zfs

2009-01-18 Thread Louis Hoefler
wrong? Greets Louis Hoefler. -- 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] CIFS and zfs

2009-01-18 Thread Louis Hoefler
But what is the recommended way to share a directory? -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] CIFS and zfs

2009-01-18 Thread Louis Hoefler
Is it possible to share a folder with cifs without adding a zfs volume? I also have not found out how to share a folder with zfs, is it possible? If it's possible, how? I searched google and this forum but found no answers to my question. Greets Louis Hoefler PS.: I hope this was the

Re: [zfs-discuss] [zones-discuss] ZFS shared /home between zones

2008-01-01 Thread Louis F. Springer
Well, ignore my post, a kernel engineer would know. I had no idea you could loopback mount the same filesystem into multiple zones, or am I missing something? This would certainly be more efficient than using nfs. Lou James C. McPherson wrote: > Bo Granlund wrote: > >> Hi, >> >> [Sorry for cro

Re: [zfs-discuss] [zones-discuss] ZFS shared /home between zones

2008-01-01 Thread Louis F. Springer
You probably want to share pool/home as an NFS share then mount it in the zones. The zfs file system itself can't actually be mounted to multiple mountpoints, its not a shared filesystem like NFS or QFS. zfs set sharenfs=on pool/home then in the zones mount globalzonehost:/home /home Where "g