Hello All;

While sometimes not possible, ZFS+Thumper solution is not so far away from
replacing expensive to buy and own NetApp like equipment. 
What people can sometimes forget is Thumper and Solaris are general purpose
products that can be spcialized with some efforts. 

We had some cases where we had to fine tune X4500 and ZFS for more stability
or performance. At the end of the day the benefits well worth the efforts. 

Best regards

Mertol Ozyoney 
Storage Practice - Sales Manager

Sun Microsystems, TR
Istanbul TR
Phone +902123352200
Mobile +905339310752
Fax +902123352222
Email [EMAIL PROTECTED]


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jorgen Lundman
Sent: Tuesday, December 11, 2007 4:22 AM
To: zfs-discuss@opensolaris.org
Subject: Re: [zfs-discuss] Trial x4500, zfs with NFS and quotas.



> 
> I don't know... while it will work I'm not sure I would trust it.
> Maybe just use Solaris Volume Manager with Soft Partitioning + UFS and
> forget about ZFS in your case?

Well, the idea was to see if it could replace the existing NetApps as 
that was what Jonathan promised it could do, and we do use snapshots on 
the NetApps, so having zfs snapshots would be attractive, as well as 
easy to grow the file-system as needed. (Although, perhaps I can growfs 
with SVM as well.)


You may be correct about the trust issue though. copied over a small 
volume from the netapp:

Filesystem             size   used  avail capacity  Mounted on
                        1.0T   8.7G  1005G     1%    /export/vol1

NAME                    SIZE    USED   AVAIL    CAP  HEALTH ALTROOT
zpool1                 20.8T   5.00G   20.8T     0%  ONLINE     -

So copied 8.7Gb, to compressed volume takes up 5Gb. That is quite nice. 
Enable the same quotas for users, then run quotacheck:

[snip]
#282759    fixed:  files 0 -> 4939  blocks 0 -> 95888
#282859    fixed:  files 0 -> 9  blocks 0 -> 144
Read from remote host x4500-test: Operation timed out
Connection to x4500-test closed.

and it has not come back, so not a panic, just a complete hang. I'll 
have to get NOC staff to go power cycle it.


We are bending over backwards trying to get the x4500 to work in a 
simple NAS design, but honestly, the x4500 is not a NAS. Nor can it 
compete with NetApps. As a Unix server with lots of disks, it is very nice.

Perhaps one day it can mind you, it just is not there today.



-- 
Jorgen Lundman       | <[EMAIL PROTECTED]>
Unix Administrator   | +81 (0)3 -5456-2687 ext 1017 (work)
Shibuya-ku, Tokyo    | +81 (0)90-5578-8500          (cell)
Japan                | +81 (0)3 -3375-1767          (home)
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