Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-02 Thread Rich Teer
On Wed, 2 Aug 2006, Richard Elling wrote: > From a space perspective, I can put a TByte on my desktop today. Death > of the low-end array is assured by bigger drives. I respectfully disagree. I think there will always be a need for low-end arrays, regardless of the size of the individual disks.

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-02 Thread Torrey McMahon
Richard Elling wrote: Jonathan Edwards wrote: Now with thumper - you are SPoF'd on the motherboard and operating system - so you're not really getting the availability aspect from dual controllers .. but given the value - you could easily buy 2 and still come out ahead .. you'd have to work ou

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-02 Thread Luke Lonergan
Richard, On 8/2/06 11:37 AM, "Richard Elling" <[EMAIL PROTECTED]> wrote: >> Now with thumper - you are SPoF'd on the motherboard and operating >> system - so you're not really getting the availability aspect from dual >> controllers .. but given the value - you could easily buy 2 and still >> co

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-02 Thread Richard Elling
Jonathan Edwards wrote: Now with thumper - you are SPoF'd on the motherboard and operating system - so you're not really getting the availability aspect from dual controllers .. but given the value - you could easily buy 2 and still come out ahead .. you'd have to work out some sort of timely r

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-02 Thread Jonathan Edwards
On Aug 1, 2006, at 22:23, Luke Lonergan wrote: Torrey, On 8/1/06 10:30 AM, "Torrey McMahon" <[EMAIL PROTECTED]> wrote: http://www.sun.com/storagetek/disk_systems/workgroup/3510/index.xml Look at the specs page. I did. This is 8 trays, each with 14 disks and two active Fibre channel attac

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-02 Thread Torrey McMahon
Luke Lonergan wrote: Torrey, On 8/1/06 10:30 AM, "Torrey McMahon" <[EMAIL PROTECTED]> wrote: http://www.sun.com/storagetek/disk_systems/workgroup/3510/index.xml Look at the specs page. I did. This is 8 trays, each with 14 disks and two active Fibre channel attachments. That means

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-01 Thread Luke Lonergan
Torrey, On 8/1/06 10:30 AM, "Torrey McMahon" <[EMAIL PROTECTED]> wrote: > http://www.sun.com/storagetek/disk_systems/workgroup/3510/index.xml > > Look at the specs page. I did. This is 8 trays, each with 14 disks and two active Fibre channel attachments. That means that 14 disks, each with a

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-01 Thread Jonathan Edwards
On Aug 1, 2006, at 14:18, Torrey McMahon wrote: (I hate when I hit the Send button when trying to change windows) Eric Schrock wrote: On Tue, Aug 01, 2006 at 01:31:22PM -0400, Torrey McMahon wrote: The correct comparison is done when all the factors are taken into account. Making blank

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-01 Thread Torrey McMahon
(I hate when I hit the Send button when trying to change windows) Eric Schrock wrote: On Tue, Aug 01, 2006 at 01:31:22PM -0400, Torrey McMahon wrote: The correct comparison is done when all the factors are taken into account. Making blanket statements like, "ZFS & JBODs are always ideal"

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-01 Thread Torrey McMahon
Eric Schrock wrote: On Tue, Aug 01, 2006 at 01:31:22PM -0400, Torrey McMahon wrote: The correct comparison is done when all the factors are taken into account. Making blanket statements like, "ZFS & JBODs are always ideal" or "ZFS on top of a raid controller is a bad idea" or "SATA drives ar

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-01 Thread Eric Schrock
On Tue, Aug 01, 2006 at 01:31:22PM -0400, Torrey McMahon wrote: > > The correct comparison is done when all the factors are taken into > account. Making blanket statements like, "ZFS & JBODs are always ideal" > or "ZFS on top of a raid controller is a bad idea" or "SATA drives are > good enoug

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-01 Thread Torrey McMahon
Frank Cusack wrote: On July 31, 2006 11:32:15 PM -0400 Torrey McMahon <[EMAIL PROTECTED]> wrote: You're comparing apples to a crate of apples. A more useful comparison would be something along the lines a single R0 LUN on a 3510 with controller to a single 3510-JBOD with ZFS across all the d

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-08-01 Thread Torrey McMahon
Luke Lonergan wrote: Torrey, -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Monday, July 31, 2006 8:32 PM You might want to check the specs of the the 3510. In some configs you only get 2 ports. However, in others you can get 8. Really? 8 acti

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-31 Thread Frank Cusack
On July 31, 2006 11:32:15 PM -0400 Torrey McMahon <[EMAIL PROTECTED]> wrote: You're comparing apples to a crate of apples. A more useful comparison would be something along the lines a single R0 LUN on a 3510 with controller to a single 3510-JBOD with ZFS across all the drives. I think the

RE: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-31 Thread Luke Lonergan
Torrey, > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Monday, July 31, 2006 8:32 PM > > You might want to check the specs of the the 3510. In some > configs you > only get 2 ports. However, in others you can get 8. Really? 8 active Fibre Channel por

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-31 Thread Torrey McMahon
Luke Lonergan wrote: Torrey, On 7/28/06 10:11 AM, "Torrey McMahon" <[EMAIL PROTECTED]> wrote: That said a 3510 with a raid controller is going to blow the door, drive brackets, and skin off a JBOD in raw performance. I'm pretty certain this is not the case. If you need sequential ba

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-30 Thread Luke Lonergan
Torrey, On 7/28/06 10:11 AM, "Torrey McMahon" <[EMAIL PROTECTED]> wrote: > That said a 3510 with a raid controller is going to blow the door, drive > brackets, and skin off a JBOD in raw performance. I'm pretty certain this is not the case. If you need sequential bandwidth, each 3510 only bring

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-28 Thread Torrey McMahon
Frank Cusack wrote: On July 28, 2006 3:31:51 AM -0700 Louwtjie Burger <[EMAIL PROTECTED]> wrote: Hi there Is it fair to compare the 2 solutions using Solaris 10 U2 and a commercial database (SAP SD scenario). The cache on the HW raid helps, and the CPU load is less... but the solution costs

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-28 Thread Frank Cusack
On July 28, 2006 3:31:51 AM -0700 Louwtjie Burger <[EMAIL PROTECTED]> wrote: Hi there Is it fair to compare the 2 solutions using Solaris 10 U2 and a commercial database (SAP SD scenario). The cache on the HW raid helps, and the CPU load is less... but the solution costs more and you _might_

Re: [zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-28 Thread Al Hopper
On Fri, 28 Jul 2006, Louwtjie Burger wrote: reformatted > Hi there > > Is it fair to compare the 2 solutions using Solaris 10 U2 and a > commercial database (SAP SD scenario). > > The cache on the HW raid helps, and the CPU load is less... but the > solution costs more and you _might_ no

[zfs-discuss] 3510 JBOD ZFS vs 3510 HW RAID

2006-07-28 Thread Louwtjie Burger
Hi there Is it fair to compare the 2 solutions using Solaris 10 U2 and a commercial database (SAP SD scenario). The cache on the HW raid helps, and the CPU load is less... but the solution costs more and you _might_ not need the performance of the HW RAID. Has anybody with access to these unit