Re: [zfs-discuss] Does a mirror increase read performance

2008-02-28 Thread Jonathan Loran
Roch Bourbonnais wrote: > > Le 28 févr. 08 à 21:00, Jonathan Loran a écrit : > >> >> >> Roch Bourbonnais wrote: >>> >>> Le 28 févr. 08 à 20:14, Jonathan Loran a écrit : >>> Quick question: If I create a ZFS mirrored pool, will the read performance get a boost? In ot

Re: [zfs-discuss] Does a mirror increase read performance

2008-02-28 Thread Roch Bourbonnais
Le 28 févr. 08 à 21:00, Jonathan Loran a écrit : > > > Roch Bourbonnais wrote: >> >> Le 28 févr. 08 à 20:14, Jonathan Loran a écrit : >> >>> >>> Quick question: >>> >>> If I create a ZFS mirrored pool, will the read performance get a >>> boost? >>> In other words, will the data/parity be read r

Re: [zfs-discuss] Does a mirror increase read performance

2008-02-28 Thread Jonathan Loran
Roch Bourbonnais wrote: > > Le 28 févr. 08 à 20:14, Jonathan Loran a écrit : > >> >> Quick question: >> >> If I create a ZFS mirrored pool, will the read performance get a boost? >> In other words, will the data/parity be read round robin between the >> disks, or do both mirrored sets of data and

Re: [zfs-discuss] Does a mirror increase read performance

2008-02-28 Thread Roch Bourbonnais
Le 28 févr. 08 à 20:14, Jonathan Loran a écrit : > > Quick question: > > If I create a ZFS mirrored pool, will the read performance get a > boost? > In other words, will the data/parity be read round robin between the > disks, or do both mirrored sets of data and parity get read off of > both

Re: [zfs-discuss] Does a mirror increase read performance

2008-02-28 Thread ian
Jonathan Loran writes: > > Quick question: > > If I create a ZFS mirrored pool, will the read performance get a boost? Yes. I use a stripe of mirrors to get better read and write performance. Ian. ___ zfs-discuss mailing list zfs-discuss@openso

[zfs-discuss] Does a mirror increase read performance

2008-02-28 Thread Jonathan Loran
Quick question: If I create a ZFS mirrored pool, will the read performance get a boost? In other words, will the data/parity be read round robin between the disks, or do both mirrored sets of data and parity get read off of both disks? The latter case would have a CPU expense, so I would thi