Re: [zfs-discuss] Couple of questions about ZFS on laptops

2011-11-10 Thread Garrett D'Amore
On Nov 9, 2011, at 6:08 PM, Francois Dion wrote: > Some laptops have pc card and expresscard slots, and you can get an adapter > for sd card, so you could set up your os non mirrored and just set up home on > a pair of sd cards. Something like > http://www.amazon.com/Sandisk-SDAD109A11-Digital-

Re: [zfs-discuss] Couple of questions about ZFS on laptops

2011-11-09 Thread Francois Dion
Some laptops have pc card and expresscard slots, and you can get an adapter for sd card, so you could set up your os non mirrored and just set up home on a pair of sd cards. Something like http://www.amazon.com/Sandisk-SDAD109A11-Digital-Card-Express/dp/B000W3QLLW I've done this in the past, var

Re: [zfs-discuss] Couple of questions about ZFS on laptops

2011-11-08 Thread Edward Ned Harvey
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- > boun...@opensolaris.org] On Behalf Of Jim Klimov > > 1) Use a ZFS mirror of two SSDs > - seems too pricey > 2) Use a HDD with redundant data (copies=2 or mirroring > over two partitions), and an SSD for L2ARC (+maybe ZIL) >

Re: [zfs-discuss] Couple of questions about ZFS on laptops

2011-11-08 Thread Bob Friesenhahn
On Wed, 9 Nov 2011, Jim Klimov wrote: Thanks, Bob, I figured so... And would copies=2 save me from problems of data loss and/or inefficient resilvering? Does all required data and metadata get duplicated this way, so any broken sector can be amended? I read on this list recently, that some metad

Re: [zfs-discuss] Couple of questions about ZFS on laptops

2011-11-08 Thread Jim Klimov
2011-11-08 23:36, Bob Friesenhahn wrote: On Tue, 8 Nov 2011, Jim Klimov wrote: Second question regards single-HDD reliability: I can do ZFS mirroring over two partitions/slices, or I can configure "copies=2" for the datasets. Either way I think I can get protection from bad blocks of whatever n

Re: [zfs-discuss] Couple of questions about ZFS on laptops

2011-11-08 Thread Bob Friesenhahn
On Tue, 8 Nov 2011, Jim Klimov wrote: Second question regards single-HDD reliability: I can do ZFS mirroring over two partitions/slices, or I can configure "copies=2" for the datasets. Either way I think I can get protection from bad blocks of whatever nature, as long as the spindle spins. Can t

[zfs-discuss] Couple of questions about ZFS on laptops

2011-11-08 Thread Jim Klimov
Hello all, I am thinking about a new laptop. I see that there are a number of higher-performance models (incidenatlly, they are also marketed as "gamer" ones) which offer two SATA 2.5" bays and an SD flash card slot. Vendors usually position the two-HDD bay part as either "get lots of capacity