What you might want to do is enable journal based backups on the client, this usually speeds up things a lot. On nodes with lot of small files, finding the files that need backing-up is usually the bottleneck....
-- Remco On Tue, 3 Jun 2003 20:43:42 +0200 Alan Whitmore <[EMAIL PROTECTED]> wrote: > You may want to change your TCPWindowSize from 63 to 1024 > > ----- Original Message ----- > From: "David Rigaudiere" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Monday, May 26, 2003 3:36 PM > Subject: Node very very slow for incremental backup > > > Hi *SMers, > I have a probleme whit a node. > > Client 4.2.1.15 WinNT > Server 5.1.6.3 AIX > > This node is very very slow to backups. > 14H for less 6GB !! (1H is a normal backup time) > > The sysadmins said "no change on this node" > > I can't find where is the probleme, the node > spent a lot of time to browse files and directories. > > A performance analyse when node is backuping does not > show a bottleneck (memory, CPU, I/O ...) > I tested a selective or big restore, without problem. > (Data transfer rate: 10,000 to 12,000 KB/sec) > > Maybee I must install journal based backup but "yesterday" > it worked perfectly without it... > > you're my only hope, do you have an idea ? > > > dsm.opt : > ========= > > TCPWindowSize 63 > TCPBuffSize 31 > TCPNodelay YES > SubDir YES > Compression YES > CompressAlways NO > SchedMode Polling * (behind Firewall) > > > > > It is a session report : > ======================== > > Total number of objects inspected: 192,386 > Total number of objects backed up: 2,221 > Total number of objects updated: 8 > Total number of objects rebound: 0 > Total number of objects deleted: 0 > Total number of objects expired: 523 > Total number of objects failed: 0 > Total number of bytes transferred: 5.89 GB > Data transfer time: 1,416.29 sec > Network data transfer rate: 4,362.30 KB/sec > Aggregate data transfer rate: 119.69 KB/sec > Objects compressed by: 15% > Elapsed processing time: 14:20:17 > > > > > and a trace report : > ==================== > > Section Total Time(sec) Average Time(msec) Frequency used > ================================================================== > Client Setup 0.344 344.0 1 > Process Dirs 50292.881 2250.6 22346 > Solve Tree 0.000 0.0 0 > Compute 2.677 0.0 304175 > Transaction 46.145 0.0 938009 > BeginTxn Verb 0.047 0.1 508 > File I/O 164.261 0.7 241799 > Compression 372.440 2.3 164443 > Encryption 0.000 0.0 0 > Delta 0.000 0.0 0 > Data Verb 0.297 8.3 36 > Confirm Verb 0.297 8.3 36 > EndTxn Verb 541.249 1065.5 508 > Client Cleanup 2.735 2735.0 1 > > > > > -- > David Rigaudiere -+- Administration TSM -+- > Paris -+- 40, rue de Courcelles -+- 4e itage -+- > [EMAIL PROTECTED] -+- 01.5621.7802 > > --------------------------------------------------------------------- > ------ This message (including any attachments) is confidential and > may be privileged. If you have received it by mistake please notify > the sender by return e-mail and delete this message from your system. > Any unauthorised use or dissemination of this message in whole or in > part is strictly prohibited. Please note that e-mails are susceptible > to change. ABN AMRO Bank N.V. (including its group companies) shall > not be liable for the improper or incomplete transmission of the > information contained in this communication nor for any delay in its > receipt or damage to your system. ABN AMRO Bank N.V. (or its group > companies) does not guarantee that the integrity of this communication > has been maintained nor that this communication is free of viruses, > interceptions or > interference.-------------------------------------------------------- > ------------------- > > Le prisent message (y compris tous les iliments attachis) est > confidentiel et est destini aux seules personnes qu'il vise. Si vous > l'avez regu par erreur, merci de l'indiquer ` son expiditeur par > retour et de procider ` sa destruction dans vos systhmes. Toute > utilisation ou diffusion non autorisie de son contenu, dans sa > totaliti ou en partie, est strictement interdite. Merci de noter que > les e-mails sont susceptibles d'jtre altiris. ABN AMRO Bank N.V. (et > les entitis membres du Groupe ABN AMRO) ne saurait jtre tenu pour > responsable ni de la transmission erronie ou incomplhte des > informations contenues dans ce message, ni des dilais de riception ou > des dommages causis ` votre systhme. ABN AMRO Bank N.V. (et les > entitis membres du Groupe ABN AMRO) ne garantit ni que l'intigriti de > la communication ait iti maintenue ni que cette transmission soit > exempte de virus, d'interceptions ou d'interfirences. > > > > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.483 / Virus Database: 279 - Release Date: 19-05-2003
