stopped brick level several years ago (when recov mgr was by aelita). if you
have the tape tech to handle a few steams that may be of value to you or use a
disk target. is there any regulatory/compliance/business req that you have no
choice but to keep doing it?
also, is your exch info store 1 big store or is it broken up into a few db's or
split among a few servers?
aaarrrggghhh!!!!
FreeBSD rocks
----- Original Message ----
From: Anas Kayal <anas at up.org.qa>
To: K Chapman <tech2187 at yahoo.com>; veritas-bu at mailman.eng.auburn.edu
Sent: Friday, May 11, 2007 1:19:52 PM
Subject: RE: [Veritas-bu] Exchange Mailbox Backup
Message
Im also running Ex2K3 and have about 900 mailboxes. The slowness is killing my
backup window since it takes 11 hours. I'm looking into Quest Recovery Manger
now. So you don't use NBU for your mailboxes at all??
Also should I be running multistreaming?
From: K Chapman [mailto:tech2187 at yahoo.com]
Sent: Fri 5/11/2007 10:42 AM
To: Anas Kayal; WEAVER, Simon (external); Martin, Jonathan; Paul Keating;
veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Exchange Mailbox Backup
for a single stream for mb's your doing well. consider alt routes for
mailbox/message recovery. the tools with exch may be of value (if you are 2003
or greater). the quest recov mgr for exch (keep hawking it, used it to
recover 8 mailboxes yesterday and several last week) has been great, wasnt too
expansive (we have 1000 mailboxes). im sure others may have suggestions as
well.
your time range is what we were hitting when we were on 5.5 and we have now
increased db size and exch serv count by 500%, so im glad we stopped with brick
level exch jobs.
aaarrrggghhh!!!!
FreeBSD rocks
----- Original Message ----
From: Anas Kayal <anas at up.org.qa>
To: "WEAVER, Simon (external)" <simon.weaver at astrium.eads.net>; "Martin,
Jonathan" <JMARTI05 at intersil.com>; Paul Keating <pkeating at
bank-banque-canada.ca>; veritas-bu at mailman.eng.auburn.edu
Sent: Friday, May 11, 2007 11:38:14 AM
Subject: Re: [Veritas-bu] Exchange Mailbox Backup
DIV {
MARGIN:0px;}
Well first of all data is located on the local exchange machine. Backups are
running on gigabit Ethernet and the max KBps I get is around 6400. The policy
setup is using MS Exchange and I selected MS EXCHANGE MAILBOX from the
directives set. I don't know what recovery storage groups are since im not
responsible for exchange and if my exchange guy knew about it he should've told
me bit I guess he doesn't. what can I do with that?
Currently I have no SAN. We are still in the process of evaluating what we
need. It takes almost 11 hours to backup my full mailbox store. Info_Store
backups are fast at around 40MBps. I have no mutliplexing/multistreaming
configured on this policy. Would it make a difference for exchange? If so, what
should the settings be given I have a Hp MSL6060 Tape Lib with to LTO3 drives?
From: veritas-bu-bounces at mailman.eng.auburn.edu on behalf of WEAVER, Simon
(external)
Sent: Thu 5/10/2007 11:20 PM
To: 'Martin, Jonathan'; Paul Keating; veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Exchange Mailbox Backup
Jonathan wrote: I haven't done a brick level backup of Exchange since I learned
about Recovery Storage Groups
Well that makes more sense, because I have never, ever seen any performance
increase of BLB regardless of the hardware involved, the spindles involved,
fiber, tape technology. And the originator was specifically asking about the
backup type "BLB".
BLB are slow, slow slow! and should be avoided - as I pointed out in an earlier
thread, Ex2k3 offers ALOT more functionaility for you to move away from this
type of backup.
Regards
Simon Weaver
3rd Line Technical Support
Windows Domain Administrator
EADS Astrium Limited, B23AA IM (DCS)
Anchorage Road, Portsmouth, PO3 5PU
Email: Simon.Weaver at Astrium-eads.net
-----Original Message-----
From: veritas-bu-bounces at mailman.eng.auburn.edu [mailto:veritas-bu-bounces
at mailman.eng.auburn.edu] On Behalf Of Martin, Jonathan
Sent: 10 May 2007 21:18
To: Paul Keating; veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Exchange Mailbox Backup
I'd tell you I've got the magic voodoo over here Paul, but then you'd want it.
And If I'm gonna give up the goods I'd better get dinner and dancing first. =P
Our Exchange Fulls running by themselves over GigE to a DSSU sitting around
doing nothing else does about 100MB/sec, until it hits the logs. Even then,
its very fast but the average time rounds out to 80MB/sec, still respectable.
My fastest backup until that point was a Redhat 3 / Oracle 9 Database at
55MB/sec (give or take Archive logs.) In my Exchange case, the secret has been
number of spindles and drive speeds on the SAN. We did serious I/O testing on
the Exchange server's storage and went for performance all the way. I think
each storage group and logs are their own 8 disk raid5 w/ 146GB 15K FC drives
in a Hitatchi SAN. Surprisingly, I got a Sun StorEdge 5320 running remote NDMP
backups to LTO3 at 100MB/sec first try, yesterday! That was purely test data,
and it remains to be seen if it will maintain that after we load up terabytes
of data. (I don't manage the SAN or the NAS, so all my secret sauce is
definitely someone else's.)
I haven't done a brick level backup of Exchange since I learned about Recovery
Storage Groups, and that was on Arcserve, or whatever it was called before CA
bought it. That was the 90's and all my memories from the 90's are bad, so
lets not go there. I have to admit I've never run BSD. Sounds like fun, and
the devil logo has definitely got it going on! Silly penguin.
-Jonathan
From: Paul Keating [mailto:pkeating at bank-banque-canada.ca]
Sent: Thursday, May 10, 2007 3:26 PM
To: K Chapman; Martin, Jonathan; Anas Kayal; veritas-bu at
mailman.eng.auburn.edu
Subject: RE: [Veritas-bu] Exchange Mailbox Backup
I've never seen 100MB/s, let alone "better than" 100MB/s on a single GigE link,
for ANY client type, let alone Windows, or Exchange, so colour me surprised.
:o)
--
-----Original Message-----
From: veritas-bu-bounces at mailman.eng.auburn.edu [mailto:veritas-bu-bounces
at mailman.eng.auburn.edu] On Behalf Of K Chapman
Sent: May 10, 2007 3:22 PM
To: Martin, Jonathan; Anas Kayal; veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Exchange Mailbox Backup
you are seeing this speed doing brick level, or are you seeing it with info
store backups? ive never seen brick level go too fast on any type of
disk/net/tape drive combo (5.5/2000/2003). info stores go quite fast in all
cases (as expected).
aaarrrggghhh!!!!
FreeBSD rocks
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