So, the bottom line is that Solaris 11 Express can not use TRIM and SSD? Is
that the conclusion? So, it might not be a good idea to use a SSD?
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100TB storage? Cool! What is the hardware? How many discs? Gief me ze hardware!
:oP
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Even without TRIM and lots of use, SSD are still likely to help as ZIL and
L2ARC cache units better than spindle disks, however don't expect the same
performance you got after a fresh wipe/install.
It makes sense to go with the brands with the best garbage collector you can
and also if you can lea
On Sat, Jan 29, 2011 at 11:31:59AM -0500, Edward Ned Harvey wrote:
> What is the status of ZFS support for TRIM?
[...]
I've no idea, but because I wanted to add such support for FreeBSD/ZFS
for a while now, I'll share my thoughts.
The problem is where to put those operations. ZFS internally have
> So, the bottom line is that Solaris 11 Express can not use
> TRIM and SSD?
Correct.
> So, it might not be a good idea to use a SSD?
It is true that a Flash based SSD, will be adversely impacted by
ZFS not supporting TRIM, especially for the ZIL accelerator.
But a DRAM based SSD is immune t
On Fri, February 4, 2011 09:30, Pawel Jakub Dawidek wrote:
> But in most cases we don't need TRIM to be so perfect. My
> current idea is to delay TRIM operation for some number of transaction
> groups. For example if block is freed in txg=5, I'll send TRIM for it
> after txg=15 (if it wasn't reass
On 2/4/2011 7:39 AM, Christopher George wrote:
So, the bottom line is that Solaris 11 Express can not use
TRIM and SSD?
Correct.
So, it might not be a good idea to use a SSD?
It is true that a Flash based SSD, will be adversely impacted by
ZFS not supporting TRIM, especially for the ZIL accel
> 100TB storage? Cool! What is the hardware? How many discs? Gief me ze
> hardware! :oP
> 100TB storage? Cool! What is the hardware? How many discs? Gief me ze
> hardware! :oP
We have two 100TB boxes running as Bacula storage agents, each a supermicro box
with 40 disks (2 2,5" 500GB drives inte
> We have two 100TB boxes running as Bacula storage agents, each a
> supermicro box with 40 disks (2 2,5" 500GB drives internally for the
> rpool, 2 SSDs for SLOG). The remaining 35 slots are used for two L2ARC
> devices (Micron, former Cruzial RealSSD C300). The drives are WD
> Black, and they see