[zfs-discuss] how to remove disk from raid0

2011-10-11 Thread KES
Hi I have the next configuration: 3 disk 1Gb in raid0 all disks in zfs pool freespace on so raid is 1.5Gb and 1.5Gb is used. so I have some questions: 1. If I don plan to use 3 disks in pool any more. How can I remove one of it? 2. Imaine one disk has failures. I want to replace it, but now I

Re: [zfs-discuss] how to remove disk from raid0

2011-10-11 Thread Edho Arief
On Tue, Oct 11, 2011 at 9:25 AM, KES kes-...@yandex.ua wrote: Hi I have the next configuration: 3 disk 1Gb in raid0 all disks in zfs pool freespace on so raid is 1.5Gb and 1.5Gb is used. so I have some questions: 1. If I don plan to use 3 disks in pool any more. How can I remove one of

Re: [zfs-discuss] commercial zfs-based storage replication software?

2011-10-11 Thread Darren J Moffat
Have you looked at the time-slider functionality that is already in Solaris ? There is a GUI for configuration of the snapshots and time-slider can be configured to do a 'zfs send' or 'rsync'. The GUI doesn't have the ability to set the 'zfs recv' command but that is set one-time in the SMF

Re: [zfs-discuss] Any info about System attributes

2011-10-11 Thread Darren J Moffat
On 09/26/11 20:03, Jesus Cea wrote: # zpool upgrade -v [...] 24 System attributes [...] This is really an on disk format issue rather than something that the end user or admin can use directly. These are special on disk blocks for storing file system metadata attributes when there isn't

Re: [zfs-discuss] how to remove disk from raid0

2011-10-11 Thread Richard Elling
On Oct 11, 2011, at 2:25 AM, KES kes-...@yandex.ua wrote: Hi I have the next configuration: 3 disk 1Gb in raid0 all disks in zfs pool we recommend protecting the data. Friends don't let friends use raid-0. nit: We tend to refer to disk size in bytes (B), not bits (b) freespace on so raid

[zfs-discuss] OpenStorage Summit email blast

2011-10-11 Thread Avneet Dhanota
Subject: FYI on Storage Event Just an FYI on storage.  I just learned that an OpenStorage Summit is happening, in San Jose, during the last week of October. Some great speakers are presenting and some really interesting topics will be addressed, including Korea Telecom on Public Cloud Storage,

[zfs-discuss] ZFS issue on read performance

2011-10-11 Thread degger
Hi, I'm not familiar with ZFS stuff, so I'll try to give you as much as info I can get with our environment We are using a ZFS pool as a VLS for a backup server (Sun V445 Solaris 10), and we are faced with very low read performance (whilst write performance is much better, i.e : up to 40GB/h

Re: [zfs-discuss] tuning zfs_arc_min

2011-10-11 Thread Richard Elling
On Oct 6, 2011, at 5:19 AM, Frank Van Damme frank.vanda...@gmail.com wrote: Hello, quick and stupid question: I'm breaking my head over how to tunz zfs_arc_min on a running system. There must be some magic word to pipe into mdb -kw but I forgot it. I tried /etc/system but it's still at the

Re: [zfs-discuss] ZFS issue on read performance

2011-10-11 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of deg...@free.fr I'm not familiar with ZFS stuff, so I'll try to give you as much as info I can get with our environment We are using a ZFS pool as a VLS for a backup server (Sun V445 Solaris

Re: [zfs-discuss] ZFS issue on read performance

2011-10-11 Thread Paul Kraus
On Tue, Oct 11, 2011 at 6:25 AM, deg...@free.fr wrote: I'm not familiar with ZFS stuff, so I'll try to give you as much as info I can get with our environment We are using a ZFS pool as a VLS for a backup server (Sun V445 Solaris 10), and we are faced with very low read performance (whilst

Re: [zfs-discuss] tuning zfs_arc_min

2011-10-11 Thread Frank Van Damme
2011/10/11 Richard Elling richard.ell...@gmail.com: ZFS Tunables (/etc/system):         set zfs:zfs_arc_min = 0x20         set zfs:zfs_arc_meta_limit=0x1 It is not uncommon to tune arc meta limit. But I've not seen a case where tuning arc min is justified, especially for a

[zfs-discuss] weird bug with Seagate 3TB USB3 drive

2011-10-11 Thread John D Groenveld
Banging my head against a Seagate 3TB USB3 drive. Its marketing name is: Seagate Expansion 3 TB USB 3.0 Desktop External Hard Drive STAY3000102 format(1M) shows it identify itself as: Seagate-External-SG11-2.73TB Under both Solaris 10 and Solaris 11x, I receive the evil message: | I/O request is

Re: [zfs-discuss] tuning zfs_arc_min

2011-10-11 Thread Richard Elling
On Oct 11, 2011, at 2:03 PM, Frank Van Damme wrote: 2011/10/11 Richard Elling richard.ell...@gmail.com: ZFS Tunables (/etc/system): set zfs:zfs_arc_min = 0x20 set zfs:zfs_arc_meta_limit=0x1 It is not uncommon to tune arc meta limit. But I've not seen a case

Re: [zfs-discuss] Wanted: sanity check for a clustered ZFS idea

2011-10-11 Thread Richard Elling
On Oct 9, 2011, at 10:28 AM, Jim Klimov wrote: Hello all, ZFS developers have for a long time stated that ZFS is not intended, at least not in near term, for clustered environments (that is, having a pool safely imported by several nodes simultaneously). However, many people on forums have

Re: [zfs-discuss] Wanted: sanity check for a clustered ZFS idea

2011-10-11 Thread Nico Williams
On Tue, Oct 11, 2011 at 11:15 PM, Richard Elling richard.ell...@gmail.com wrote: On Oct 9, 2011, at 10:28 AM, Jim Klimov wrote: ZFS developers have for a long time stated that ZFS is not intended, at least not in near term, for clustered environments (that is, having a pool safely imported by

Re: [zfs-discuss] Wanted: sanity check for a clustered ZFS idea

2011-10-11 Thread Nico Williams
On Sun, Oct 9, 2011 at 12:28 PM, Jim Klimov jimkli...@cos.ru wrote: So, one version of the solution would be to have a single host which imports the pool in read-write mode (i.e. the first one which boots), and other hosts would write thru it (like iSCSI or whatever; maybe using SAS or FC to