Re: [zfs-discuss] Usage of hot spares and hardware allocation capabilities.

2010-03-21 Thread zfs ml
On 3/21/10 4:19 AM, Robin Axelsson wrote: The motherboard is AMD based and it has two controllers; one OnChip controller that is integrated into the SouthBridge chip (SB750) and an OnBoard controller using the JMicron JMB362 chip and a JMB322 port multiplier. Both controllers supports both

[zfs-discuss] sympathetic (or just multiple) drive failures

2010-03-19 Thread zfs ml
Most discussions I have seen about RAID 5/6 and why it stops working seem to base their conclusions solely on single drive characteristics and statistics. It seems to me there is a missing component in the discussion of drive failures in the real world context of a system that lives in an

Re: [zfs-discuss] dedupratio riddle

2010-03-17 Thread zfs ml
On 3/17/10 1:21 AM, Paul van der Zwan wrote: On 16 mrt 2010, at 19:48, valrh...@gmail.com wrote: Someone correct me if I'm wrong, but it could just be a coincidence. That is, perhaps the data that you copied happens to lead to a dedup ratio relative to the data that's already on there. You

Re: [zfs-discuss] Fishworks 2010Q1 and dedup bug?

2010-03-04 Thread zfs ml
On 3/4/10 9:17 AM, Brent Jones wrote: On Thu, Mar 4, 2010 at 8:08 AM, Henrik Johanssonhenr...@henkis.net wrote: Hi all, Now that the Fishworks 2010.Q1 release seems to get deduplication, does anyone know if bugid: 6924824 (destroying a dedup-enabled dataset bricks system) is still valid, it

Re: [zfs-discuss] ZFS slowness under domU high load

2010-02-14 Thread zfs ml
On 2/14/10 4:12 PM, Kjetil Torgrim Homme wrote: Bogdan Ćulibrkb...@default.rs writes: What are my options from here? To move onto zvol with greater blocksize? 64k? 128k? Or I will get into another trouble going that way when I have small reads coming from domU (ext3 with default blocksize of

Re: [zfs-discuss] ZFS slowness under domU high load

2010-02-14 Thread zfs ml
On 2/14/10 7:02 PM, zfs ml wrote: On 2/14/10 4:12 PM, Kjetil Torgrim Homme wrote: Bogdan Ćulibrkb...@default.rs writes: What are my options from here? To move onto zvol with greater blocksize? 64k? 128k? Or I will get into another trouble going that way when I have small reads coming from

[zfs-discuss] zpool/zfs history does not record version upgrade events

2010-02-08 Thread zfs ml
zpool/zfs history does not record version upgrade events, those seem like important events worth keeping in either the public or internal history. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org