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...rom: Stan Hoeppner <stan at hardwarefreak.com> > Subject: Re: [Dovecot] SSD drives are really fast running Dovecot > > > Yes. Go with a cluster filesystem such as OCFS or GFS2 and an inexpensive SAN > storage unit that supports mixed SSD and spinning storage such as the Nexsan > SATABoy with 2GB cache: http://www.nexsan.com/sataboy.php I can't speak for OCFS2, but after several years' experience with the filesystem I strongly recommend NOT using GFS/GFS2. Its locking model is incredibly slow (500 locks/second on a filesystem mounted with quotas enabled a...

...tOS 5 box: ./configure --with-kernel=/lib/modules/`uname -r`/build --enable-vfs-rename-patch-override=yes make make install - Running Virtuozzo 4.0 , version is "2.6.18-028stab053.17-ent", it's a kernel modification to enable operating system-level virtualization. - The device is a NEXSAN SATABeast, attached via iSCSI, 6TB size with only one partition: (parted) print Model: NEXSAN SATABeast (scsi) Disk /dev/sdb: 6000GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File sys...

Hello everyone, I am currently running Dovecot as a high performance solution to a particular kind of problem. My userbase is small, but it murders email servers. The volume is moderate, but message retention requirements are stringent, to put it nicely. Many users receive a high volume of email traffic, but want to keep every message, and *search* them. This produces mail accounts up to

...= 0 memcntl(0xFE4F0000, 16180, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0 brk(0x080BA000) = 0 < ==========stuck here ===================> Tianhong Zhao | Senior Systems Architect p. +1.514.683.1020 x145 Tianhong.zhao at nexsan.ca www.nexsan.com <http://www.nexsan.com/> This message is confidential and may also be legally privileged. It is intended for the use of the individual to whom it is addressed. If you are not the intended recipient, please notify the sender via email and delete the message and you sh...

...The smicro board is total sh*t despite using an lsi expander chip. We are building a backblaze like bulk storage setup. Can''t find a dense chassis like sc847 and hoping to convince supermicro to create -a version of the jbod. Hoping I can convince lsi/netapp to sell me DS6600 tray or nexsan E60x or DDN S26000 without their gold plated drives. Or just don''t buy WD drives. Only hitachi/ibm or seagate NL SAS are any good. God''s work is never done; neither apparently VDOTs.

...disk performance by adding more disks on the fly. (IBM uses GPFS to create scale-out NAS solutions http://www-03.ibm.com/systems/storage/network/sonas/ , which highlights a few of the features available with GPFS) There's no problem running GPFS on other vendors disk systems. I've used Nexsan SATAboy earlier, for a HPC cluster. One can easily move from one disksystem to another without downtime. Cons: It has it's own page cache, staticly configured. So you don't get the "all available memory used for page caching" behaviour as you normally do on linux. There is...

If you use any NAS (or a SAN) devices, what do you use? And I'm referring more to larger scale network storage than your home PC or home theater system. We've had very good experiences with our NetGear ReadyNAS devices but I'm in the market for something new. The NetGear's aren't the cheapest ones around but they do what it says on the box. My only real gripe with them is the

If you use any NAS (or a SAN) devices, what do you use? And I''m referring more to larger scale network storage than your home PC or home theater system. We''ve had very good experiences with our NetGear ReadyNAS devices but I''m in the market for something new. The NetGear''s aren''t the cheapest ones around but they do what it says on the box. My only

If you use any NAS (or a SAN) devices, what do you use? And I''m referring more to larger scale network storage than your home PC or home theater system. We''ve had very good experiences with our NetGear ReadyNAS devices but I''m in the market for something new. The NetGear''s aren''t the cheapest ones around but they do what it says on the box. My only