Hi Steve, thanks for answering...
Yeah, the destination is tape, i see on StorageAgent console the
connection to server and opening tape, during the backup I see the
bytes increasing on "Backup by LANFree: " (but, this value is ALWAYS
lower than the value of normal backup... i don't know if this is
normal).
VALIDATE LANFREE node policyset shows me that the node is capable to
LANFree backups.
During the backup (using webclient interface) I can see two speeds,
well.. A screenshot of backup report is at link:
http://img18.imageshack.us/img18/9278/backupz.jpg
The screenshot is in portuguese but I think is easy to you guess what
is each value...
Time: 5:45 Hours
Size: 181 Gb
No compression
Rede == Network
Agregada == Aggregate, combination... (not sure how TSM show it)
Ok, this is what I have... If need more info just let me know.
Thanks again.
--
Flávio do Carmo Júnior aka waKKu
Florianópolis/SC - Brazil
On Sat, Aug 1, 2009 at 3:51 AM, Steven Harris<steve AT stevenharris DOT info>
wrote:
> Flavio
>
> Is the destination of your backup pool tape? Have you confirmed with
> VALIDATE LANFREE on the server
> Are you seeing a "proxied by" message in the client log to indicate that the
> storage agent is in use?
> Is the *network* path configured as 1Gb - I'm suspecting you have a LAN
> backup and that the lan path has issues.
>
> HTH
>
> Regards
>
> Steve
>
> Steven Harris.
> TSM Admin, looking for work, Sydney Australia
>
>
>
> Flavio Junior wrote:
>>
>> Hi folks,
>>
>> I'm here, again, asking for help :)
>> More I read, more doubts I have.
>>
>> I'm now implementing a TSM For SAN setup, to performance comparison
>> with my currently LAN backup.
>>
>> I'll describe my scenario below, any doubt's feel free to ask me:
>> - 2 Production nodes using RHEL 5.3 connected to SAN
>> - 1 IBM DS4700 storage with 14 FC disks (13 raid5 + 1 hot-spare)
>> - Each node have a emulex dual-port HBA
>> - 2 Brocade TotalStorage fiber switches, with coherent zonings
>> - Library is a IBM TS3100 LTO4 SAN, with only one drive
>>
>> Ok, i'm using TSM with LAN backups for a week, the transfer rate comes
>> among 60~80GB per hour.
>> The tape has a nominal write speed of 120MB/s that says me 430GB/h,
>> ok.. this is a *nominal* speed, I was expecting something near
>> 300GB/h, good enough for me.
>>
>> For these tests I've configured TSM Server on node1 and TSM Client on
>> node2. Each node has 6 1Gbps NIC's, 4 to public network 2 for
>> cluster-heartbeat + backups.
>> With this setup I've got, as said above, 60~80GB/h.
>>
>> So, I decide to setup TSM for SAN.. Download a lot of docs/books and
>> start reading/doing.
>> I end up with:
>>
>> - Fabric zoning changes, isolating a HBA port on each dual-port cards for
>> nodes
>> - Installed StorageAgent on node2
>> - Installed TSM Client on node2
>> - - Configured the client to connect on storageagent
>> - Redefine all my TSM Server setup
>> - - Make Library as shared=yes, configure storage agent as a server,
>> configure path, configure datawritepath=lanfree and so on...
>>
>> Ok, time to backup.
>> And, for my surprise i got only ~500MB per minute.. I thought it very
>> strange.. I've no idea what is the problem, I've tried with
>> compression and without, DATAREADPATH=LAN and SAN, VirtualMountPoints
>> or Physical ...
>>
>> Does anybody have an idea the reason of that bad transfer rate?? The
>> servers are Samba Servers, with all kind of file and all size
>>
>> As I said before, I'm really new with TSM so is really possible that
>> I've misconfigured something :)
>>
>> Anyway, thanks in advance, and any help will be appreciated.
>>
>> --
>>
>> Flávio do Carmo Júnior aka waKKu
>> Florianópolis/SC - Brazil
>> ------------------------------------------------------------------------
>>
>>
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>>
>
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