similar to: ZFS with SSD ZIL vs XFS

2017-10-10 18:27 GMT+02:00 Jeff Darcy <jeff at pl.atyp.us>: > Probably not. If there is, it would probably favor XFS. The developers > at Red Hat use XFS almost exclusively. We at Facebook have a mix, but > XFS is (I think) the most common. Whatever the developers use tends to > become "the way local filesystems work" and code is written based on > that profile,

I've had good results with using SSD as LVM cache for gluster bricks ( http://man7.org/linux/man-pages/man7/lvmcache.7.html). I still use XFS on bricks. On Tue, Oct 10, 2017 at 12:27 PM, Jeff Darcy <jeff at pl.atyp.us> wrote: > On Tue, Oct 10, 2017, at 11:19 AM, Gandalf Corvotempesta wrote: > > Anyone made some performance comparison between XFS and ZFS with ZIL > > on

On Tue, Oct 10, 2017, at 11:19 AM, Gandalf Corvotempesta wrote: > Anyone made some performance comparison between XFS and ZFS with ZIL > on SSD, in gluster environment ? > > I've tried to compare both on another SDS (LizardFS) and I haven't > seen any tangible performance improvement. > > Is gluster different ? Probably not. If there is, it would probably favor

Anyone made some performance comparison between XFS and ZFS with ZIL on SSD, in gluster environment ? I've tried to compare both on another SDS (LizardFS) and I haven't seen any tangible performance improvement. Is gluster different ?

Are there any drawbacks to partition a SSD in two parts and use L2ARC on one partition, and ZIL on the other? Any thoughts? -- This message posted from opensolaris.org

Hi all, I received my SSD, and wanted to test it out using fake zpools with files as backing stores before attaching it to my production pool. However, when I exported the test pool and imported, I get an error. Here is what I did: I created a file to use as a backing store for my new pool: mkfile 1g /data01/test2/1gtest Created a new pool: zpool create ziltest2 /data01/test2/1gtest Added the

Hi, I''ve ordered a new server with: - 4x600GB Toshiba 10K SAS2 Disks - 2x100GB OCZ DENEVA 2R SYNC eMLC SATA (no expander so I hope no SAS/ SATA problems). Specs: http://www.oczenterprise.com/ssd-products/deneva-2-r-sata-6g-2.5-emlc.html I want to use the 2 OCZ SSDs as mirrored intent log devices, but as the intent log needs quite a small amount of the disks (10GB?), I was wondering

Hi folks, I would appreciate it if someone can help me understand some weird results I''m seeing with trying to do performance testing with an SSD offloaded ZIL. I''m attempting to improve my infrastructure''s burstable write capacity (ZFS based WebDav servers), and naturally I''m looking at implementing SSD based ZIL devices. I have a test machine with the

I posted a thread on this once long ago[1] -- but we''re still fighting with this problem and I wanted to throw it out here again. All of our hardware is from Silicon Mechanics (SuperMicro chassis and motherboards). Up until now, all of the hardware has had a single 24-disk expander / backplane -- but we recently got one of the new SC847-based models with 24 disks up front and 12 in the

I have some questions about the choice of SSDs to use for ZIL and L2ARC. I''m trying to build an OpenSolaris iSCSI SAN out of a whitebox system, which is intended to be used as a backup SAN during storage migration, so it''s built on a tight budget. The system currently has 4GB RAM, 3GHz Core2-Quad and 8x 500GB WD REII SATA HDDs attached to an Areca 8port ARC-1220 controller

It's great idea! :) But think about creating Slack for all RedHat provided opensource projects. For example one Slack workspace with separated Gluster, Ceph, Fedora etc. channels. I can't wait for it! Bartosz On 08.11.2017 22:22, Amye Scavarda wrote: > From today's community meeting, we had an item from the issue queue: > https://github.com/gluster/community/issues/13

Probably all file-level backups? ;) Rsync is the simplest option. Regards, Bartosz > On 19 Jan 2018, at 08:27, Kadir <qkadir at yahoo.com> wrote: > > Hi, > > What is the backup solutions for glusterfs? Does glusterfs suppors any backup solutions. > > Sincerely, > Kadir > _______________________________________________ > Gluster-users mailing list >

here's an up-to-date patch, should apply to both openbsd and non-openbsd versions of openssh. i did only test ipv4 addresses. Index: channels.c =================================================================== RCS file: /cvs/src/usr.bin/ssh/channels.c,v retrieving revision 1.191 diff -u -r1.191 channels.c --- channels.c 24 Jun 2003 08:23:46 -0000 1.191 +++ channels.c 25 Jun 2003 12:14:19

Hi all! I made GlusterFS volume based on few HDD at few servers and I wanted to add SSD based tiering. Write-back caching is problem for this case, because SSD are in only one server, so its failure results in failure of all tier and data loss. I want to disable write-back caching and write from client nodes directly to HDD volume (cold tier). How can I do that? My cluster is based on GlusterFS

I need some clarification on the FOID handed to zil_commit. I wrote a dscript to watch entry and return of zil_commit_writer. Here is an example output: <pre> 2009 Jan 23 23:34:36: ZIL Commit : Seq 183211310 : FOID 129644 Completed in 0 ms 2009 Jan 23 23:34:36: ZIL Commit : Seq 183211324 : FOID 129644 Completed in 0 ms 2009 Jan 23 23:34:36: ZIL Commit : Seq 183211386

Hi all, I currently have a OCZ Vertex 4 SSD as a ZIL device and am well aware of their exaggerated claims of sustained performance. I was thinking about getting a DRAM based ZIL accelerator such as Christopher George''s DDRDive, one of the STEC products, etc. Of course the key question i''m trying to answer is: is the price premium worth it? --- What is the (average/min/max)

Author: Darren Moffat <darrenm at opensolaris.org> Repository: /hg/zfs-crypto/gate Latest revision: a75f21839b8aba305660e5746fe66c1171d8b2d3 Total changesets: 1 Log message: ZIL encryption preparation work Files: update: usr/src/uts/common/fs/zfs/sys/zio.h update: usr/src/uts/common/fs/zfs/sys/zio_impl.h update: usr/src/uts/common/fs/zfs/zfs_log.c update: usr/src/uts/common/fs/zfs/zil.c

The slides from my ZFS presentation at OSCON (as well as some additional information) are available at http://www.meangrape.com/ 2007/08/oscon-zfs/ Jay Edwards jay at meangrape.com http://www.meangrape.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.opensolaris.org/pipermail/zfs-discuss/attachments/20070802/f2fa7b08/attachment.html>

I have three zpools on a server and want to add a mirrored pair of ssd''s for the ZIL. Can the same pair of SSDs be used for the ZIL of all three zpools or is it one ZIL SLOG device per zpool? -- This message posted from opensolaris.org

Nicolas Dorfsman wrote: > Le 27 nov. 07 ? 16:17, Torrey McMahon a ?crit : > >> According to the array vendor the 99xx arrays no-op the cache flush >> command. No need to set the /etc/system flag. >> >> http://blogs.sun.com/torrey/entry/zfs_and_99xx_storage_arrays >> >> > > > Perfect ! > > Thanks Torrey. > > Just realize