Backup Central

When we setup our Maglibs several yrs ago, we opted for a (SAS-attached)
Dell MD3000, with 1TB SATA drives partitioned between 2 MediaAgents. At
that time, it was one of the most affordable solutions we could find,
though certainly not the best performing. Now we're outgrowing it and
are looking for other options. Can anyone recommend a budget-priced
storage array suitable for hosting Maglibs?


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We've been pricing some units at my company. Right now I sit on a high end EMC Symmetrix unit (on SATA Drives) and they actually don't perform all that well. I actually lost performance compared to my old NexSAN SATABeast.

So far, we've been looking at EMC VNX systems, NetApp actually gave out a good price for a FAS 3050 (I think that was the model), and since the HBA cards in my media agents are faster than our brocade switch, I also looked at some direct fiber attached units from PAC Storage (Xyritex made) that are 2u each, 12 drives, 2 or 3 TB drives per array. That one in particular was pricing out at about $700 per TB and having 2 8-GBps interfaces. The thought was to buy 5 (since I have 5 media agents) and then direct attach them for 20 usable TB per unit (with the 2 TB drives... 10 raid disks, 1 parity, 1 spinning spare).

I haven't used any of these though. We are still in the process of waiting on budget. Basically, every vendor was offering us between 70-100 usable TB of disk for under $90k after maintenance.

If you want a contact on the PAC storage piece, my guy out of California burns a lot of calories in looking at multiple options (he actually showed me 4 different things).

George Haddad <georgeh < at > msu.edu> 10/10/2011 8:43 AM >>>

When we setup our Maglibs several yrs ago, we opted for a (SAS-attached)
Dell MD3000, with 1TB SATA drives partitioned between 2 MediaAgents. At
that time, it was one of the most affordable solutions we could find,
though certainly not the best performing. Now we're outgrowing it and
are looking for other options. Can anyone recommend a budget-priced
storage array suitable for hosting Maglibs?




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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> Thanks for the reply Bill. 

One more question for the group:

When we originally installed CV-v7, Commvault's Professional div engineer insisted that we create our Maglib LUNs at a max size of 2TB. At that time, he told us that anything larger would significantly cut performance. Does anyone know if that is still true?


Bill Willis wrote: We've been pricing some units at my company.  Right now I sit on a high end EMC Symmetrix unit (on SATA Drives) and they actually don't perform all that well.  I actually lost performance compared to my old NexSAN SATABeast.
 
So far, we've been looking at EMC VNX systems, NetApp actually gave out a good price for a FAS 3050 (I think that was the model), and since the HBA cards in my media agents are faster than our brocade switch, I also looked at some direct fiber attached units from PAC Storage (Xyritex made) that are 2u each, 12 drives, 2 or 3 TB drives per array.   That one in particular was pricing out at about $700 per TB and having 2 8-GBps interfaces.  The thought was to buy 5 (since I have 5 media agents) and then direct attach them for 20 usable TB per unit (with the 2 TB drives... 10 raid disks, 1 parity, 1 spinning spare).
 
I haven't used any of these though.  We are still in the process of waiting on budget.  Basically, every vendor was offering us between 70-100 usable TB of disk for under $90k after maintenance.
 
If you want a contact on the PAC storage piece, my guy out of California burns a lot of calories in looking at multiple options (he actually showed me 4 different things).

George Haddad <georgeh < at > msu.edu> ([email]georgeh < at > msu.edu[/email]) 10/10/2011 8:43 AM >>>
 
When we setup our Maglibs several yrs ago, we opted for a (SAS-attached)
Dell MD3000, with 1TB SATA drives partitioned between 2 MediaAgents. At
that time, it was one of the most affordable solutions we could find,
though certainly not the best performing. Now we're outgrowing it and
are looking for other options. Can anyone recommend a budget-priced
storage array suitable for hosting Maglibs?





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Maximum with CVLT 9 is now at 4TB.

Thanks.
Pooja

* No trees were harmed in the production of this e-mail; however a huge number of electrons were horribly inconvenienced.


From: commvault < at > yahoogroups.com [mailto:commvault < at > yahoogroups.com] On Behalf Of George Haddad
Sent: Monday, October 10, 2011 3:26 PM
To: commvault < at > yahoogroups.com
Subject: Re: [commvault] Maglib hardware options




Thanks for the reply Bill.

One more question for the group:

When we originally installed CV-v7, Commvault's Professional div engineer insisted that we create our Maglib LUNs at a max size of 2TB. At that time, he told us that anything larger would significantly cut performance. Does anyone know if that is still true?


Bill Willis wrote:
We've been pricing some units at my company. Right now I sit on a high end EMC Symmetrix unit (on SATA Drives) and they actually don't perform all that well. I actually lost performance compared to my old NexSAN SATABeast.



So far, we've been looking at EMC VNX systems, NetApp actually gave out a good price for a FAS 3050 (I think that was the model), and since the HBA cards in my media agents are faster than our brocade switch, I also looked at some direct fiber attached units from PAC Storage (Xyritex made) that are 2u each, 12 drives, 2 or 3 TB drives per array. That one in particular was pricing out at about $700 per TB and having 2 8-GBps interfaces. The thought was to buy 5 (since I have 5 media agents) and then direct attach them for 20 usable TB per unit (with the 2 TB drives... 10 raid disks, 1 parity, 1 spinning spare).



I haven't used any of these though. We are still in the process of waiting on budget. Basically, every vendor was offering us between 70-100 usable TB of disk for under $90k after maintenance.



If you want a contact on the PAC storage piece, my guy out of California burns a lot of calories in looking at multiple options (he actually showed me 4 different things).

George Haddad <georgeh < at > msu.edu> ([email]georgeh < at > msu.edu[/email]) 10/10/2011 8:43 AM >>>

When we setup our Maglibs several yrs ago, we opted for a (SAS-attached)
Dell MD3000, with 1TB SATA drives partitioned between 2 MediaAgents. At
that time, it was one of the most affordable solutions we could find,
though certainly not the best performing. Now we're outgrowing it and
are looking for other options. Can anyone recommend a budget-priced
storage array suitable for hosting Maglibs?









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__,_._,___

Thanks. I forgot to mention that we ARE on CV9, so this is good news !

Pooja Gupta wrote:

Maximum with CVLT 9 is now at 4TB.

Thanks.

Pooja

* No trees were harmed in the production of this e-mail; however a
huge number of electrons were horribly inconvenienced.

*From:* commvault < at > yahoogroups.com [mailto:commvault < at > yahoogroups.com]
*On Behalf Of *George Haddad
*Sent:* Monday, October 10, 2011 3:26 PM
*To:* commvault < at > yahoogroups.com
*Subject:* Re: [commvault] Maglib hardware options

Thanks for the reply Bill.

One more question for the group:

When we originally installed CV-v7, Commvault's Professional div
engineer insisted that we create our Maglib LUNs at a max size of 2TB.
At that time, he told us that anything larger would significantly cut
performance. Does anyone know if that is still true?


Bill Willis wrote:

We've been pricing some units at my company. Right now I sit on a
high end EMC Symmetrix unit (on SATA Drives) and they actually
don't perform all that well. I actually lost performance compared
to my old NexSAN SATABeast.

So far, we've been looking at EMC VNX systems, NetApp actually
gave out a good price for a FAS 3050 (I think that was the model),
and since the HBA cards in my media agents are faster than our
brocade switch, I also looked at some direct fiber attached units
from PAC Storage (Xyritex made) that are 2u each, 12 drives, 2 or
3 TB drives per array. That one in particular was pricing out at
about $700 per TB and having 2 8-GBps interfaces. The thought was
to buy 5 (since I have 5 media agents) and then direct attach them
for 20 usable TB per unit (with the 2 TB drives... 10 raid disks,
1 parity, 1 spinning spare).

I haven't used any of these though. We are still in the process of
waiting on budget. Basically, every vendor was offering us between
70-100 usable TB of disk for under $90k after maintenance.

If you want a contact on the PAC storage piece, my guy out of
California burns a lot of calories in looking at multiple options
(he actually showed me 4 different things).

George Haddad <georgeh < at > msu.edu> <mailto:georgeh < at > msu.edu>
10/10/2011 8:43 AM >>>

When we setup our Maglibs several yrs ago, we opted for a
(SAS-attached)
Dell MD3000, with 1TB SATA drives partitioned between 2
MediaAgents. At
that time, it was one of the most affordable solutions we could find,
though certainly not the best performing. Now we're outgrowing it and
are looking for other options. Can anyone recommend a budget-priced
storage array suitable for hosting Maglibs?





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The issue comes with time taken to defragment the disk to keep filesystem performance optimal. Larger LUN cause defrag tools to take a very long time to defragment. The recommendation is to have smaller luns so that you could alternate between LUNS when defragmenting the disks.
A single Mountpath in Simpana can be 2^32 MB = 4 PB. But a volume of this size will take for ever to defragment.

Thank you
Rajiv



On Oct 10, 2011, at 10:14 PM, George Haddad wrote:

Thanks. I forgot to mention that we ARE on CV9, so this is good news !

Pooja Gupta wrote:

Maximum with CVLT 9 is now at 4TB.

Thanks.

Pooja

* No trees were harmed in the production of this e-mail; however a
huge number of electrons were horribly inconvenienced.

*From:* commvault < at > yahoogroups.com [mailto:commvault < at > yahoogroups.com]
*On Behalf Of *George Haddad
*Sent:* Monday, October 10, 2011 3:26 PM
*To:* commvault < at > yahoogroups.com
*Subject:* Re: [commvault] Maglib hardware options

Thanks for the reply Bill.

One more question for the group:

When we originally installed CV-v7, Commvault's Professional div
engineer insisted that we create our Maglib LUNs at a max size of 2TB.
At that time, he told us that anything larger would significantly cut
performance. Does anyone know if that is still true?


Bill Willis wrote:

We've been pricing some units at my company. Right now I sit on a
high end EMC Symmetrix unit (on SATA Drives) and they actually
don't perform all that well. I actually lost performance compared
to my old NexSAN SATABeast.

So far, we've been looking at EMC VNX systems, NetApp actually
gave out a good price for a FAS 3050 (I think that was the model),
and since the HBA cards in my media agents are faster than our
brocade switch, I also looked at some direct fiber attached units
from PAC Storage (Xyritex made) that are 2u each, 12 drives, 2 or
3 TB drives per array. That one in particular was pricing out at
about $700 per TB and having 2 8-GBps interfaces. The thought was
to buy 5 (since I have 5 media agents) and then direct attach them
for 20 usable TB per unit (with the 2 TB drives... 10 raid disks,
1 parity, 1 spinning spare).

I haven't used any of these though. We are still in the process of
waiting on budget. Basically, every vendor was offering us between
70-100 usable TB of disk for under $90k after maintenance.

If you want a contact on the PAC storage piece, my guy out of
California burns a lot of calories in looking at multiple options
(he actually showed me 4 different things).

George Haddad <georgeh < at > msu.edu> <mailto:georgeh < at > msu.edu>
10/10/2011 8:43 AM >>>

When we setup our Maglibs several yrs ago, we opted for a
(SAS-attached)
Dell MD3000, with 1TB SATA drives partitioned between 2
MediaAgents. At
that time, it was one of the most affordable solutions we could find,
though certainly not the best performing. Now we're outgrowing it and
are looking for other options. Can anyone recommend a budget-priced
storage array suitable for hosting Maglibs?





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