Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2006-02-19 14:20:54 -0500 \ Maurice Volaski: > First posted to drbd mailing list on 2/6 with no reply. It hasn't > happened since, but once is enough to mean something is wrong > somewhere..... > > I did a resize of all the underlying LVMs and that proceeded very > nicely since drbd automatically recognized the new sizes and > resize2fs automatically figured out the new size, too. > > Anyway, bringing up the secondary automatically caused the primary to > start a fully sync. The performance this time was very nice, > averaging 50-55 MB per second across a total of 8 drbd resources, all > syncing simultaneously. Each resource is an underlying logical volume > and is assigned its own TCP port in drbd.conf. The primary has dual > bonded gigabit in active load balancing mode and secondary is single > gigabit. > > A total of 5600 GB has to be moved. I am estimating the resources > were between 1/3 and 1/2 finished when the kernel panicked. > > The secondary, which is running the same kernel and drbd, did not > panic. The drives in both systems are attached via LSI Logic SCSI > cards and on the primary the driver is mptscsih; on the secondary it > is sym53c8xx. > > Unfortunately, I never gotten an easy way to capture the text of a > panic, and apparently attachments are excluded if the message exceeds > 40K, so I typed out the whole thing: well. if thats all, it is of not much help, because it is incomplete. but you probably have not too much kernel/"low" memory left, since the total of 5.6 TB drbd storage uses up about 160 MB in kernel for the bitmap and other stuff. this is unusual in a way and may well trigger a kernel problem. you should use 64bit hardware anyways for these amounts of storage. -- : Lars Ellenberg Tel +43-1-8178292-0 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Schoenbrunner Str. 244, A-1120 Vienna/Europe http://www.linbit.com : __ please use the "List-Reply" function of your email client.