Re: [zfs-discuss] Using multiple logs on single SSD devices

2010-08-03 Thread Richard Elling
On Aug 3, 2010, at 9:29 AM, Roy Sigurd Karlsbakk wrote: > > - Second question, how about this: partition the two X25E drives into two, > and then mirror each half of each drive as log devices for each pool. Am I > missing something with this scheme? On boot, will the GUID for each pool get >

Re: [zfs-discuss] Using multiple logs on single SSD devices

2010-08-03 Thread Jonathan Loran
On Aug 2, 2010, at 8:18 PM, Edward Ned Harvey wrote: >> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- >> boun...@opensolaris.org] On Behalf Of Jonathan Loran >> > Because you're at pool v15, it does not matter if the log device fails while > you're running, or you're offline and

Re: [zfs-discuss] Using multiple logs on single SSD devices

2010-08-03 Thread Roy Sigurd Karlsbakk
- Second question, how about this: partition the two X25E drives into two, and then mirror each half of each drive as log devices for each pool. Am I missing something with this scheme? On boot, will the GUID for each pool get found by the system from the partitioned log drives? IIRC severa

Re: [zfs-discuss] Using multiple logs on single SSD devices

2010-08-02 Thread Edward Ned Harvey
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- > boun...@opensolaris.org] On Behalf Of Jonathan Loran > > But here's what's keeping me up at night:  We're running zpool v15, > which as I understand it means if an X25e log fails, the pool is toast. >  Obviously, the log devices ar

[zfs-discuss] Using multiple logs on single SSD devices

2010-08-02 Thread Jonathan Loran
Hi ZFS Guru's. I have a questions, that I can't find a definitive answer for searching the list. Perhaps I will find true enlightenment here, at least on this question :) I have a T2000 running Sol 10u8. Thus it is is running zpool v15. The system has four SAS bays, two of which are the rp