Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hi Lee, it seems taht my P400i has no drivewritecache option. Wenn i try to modify it comes up whit an error. And in one document i fount that it's default of in P800 controllers, so i hope in my p400i too. Mark On Fri, Aug 1, 2008 at 3:33 PM, Lee Christie <Lee at titaninternet.co.uk>wrote: > Most hard drives ship with write-cache enabled. > > When using decent raid controllers its best to turn off the write(back) > cache on hard drives. In our testing it makes no difference anyway with a > good card. > > Its possible your lost data was in hard drive cache. > > ------------------------------ > *From:* drbd-user-bounces at lists.linbit.com [mailto: > drbd-user-bounces at lists.linbit.com] *On Behalf Of *Mark Eisenblaetter > *Sent:* 01 August 2008 14:22 > *To:* drbd-user at lists.linbit.com > *Subject:* [DRBD-user] Mysql on DRBD: Cache Problem? > > Hi List, > > I'm trying to run a DRBDMySQL Cluster (Active/Passive) with Replication for > easier backup. > > My problem ist that after a hardkill from the master(Powerkill) the slave > misses binlog positions. > > After disable the Arraycontroller Write cache its reduced from 100k to 16k > Position but that not enough. > > I run DRBD with Protocal C and the minimal max-buffer of 32k. > > Is there any cache i miss? Or somthing else? > > Mark > > > setup: 2x HP DL360G5 whit raid 10 and Gigabit network for drbdsync only. > > -- > Mark Eisenblätter > Geissendoerfer & Leschinsky GmbH > www.gl-sytemhaus.de > > ------------------------------ > > This email may contain legally privileged and/or confidential information. > It is solely for and is confidential for use by the addressee. Unauthorised > recipients must preserve, observe and respect this confidentiality. If you > have received it in error please notify us and delete it from your computer. > Do not discuss, distribute or otherwise copy it. > > Unless expressly stated to the contrary this e-mail is not intended to, and > shall not, have any contractually binding effect on the Company and its > clients. We accept no liability for any reliance placed on this e-mail other > than to the intended recipient. If the content is not about the business of > this Company or its clients then the message is neither from nor sanctioned > by the Company. > > We accept no liability or responsibility for any changes made to this > e-mail after it was sent or any viruses transmitted through this e-mail or > any attachment. It is your responsibility to satisfy yourself that this > e-mail or any attachment is free from viruses and can be opened without harm > to your systems. > > > -- Mark Eisenblätter Geissendoerfer & Leschinsky GmbH www.gl-sytemhaus.de -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20080801/19bbd8d9/attachment.htm>