Martin McCormick wrote at 2011-08-26 11:25 -0500: > How hard is the ext3 file system on present-day flash drives? Not much worse than without a journal I think, but > What got me to thinking was that I have a system using > conventional magnetic-based hard drives and ext3 file systems. > The second hard drive is not used as often and I noticed that > the system shuts it down to rest until one calls for a file off > the secondary drive. If the journal for all drives is on the > boot drive, then that explains everything. Normally, the journal for a filesystem is stored in the same partition as the filesystem. > If not, one would > expect the secondary drive to be awake all the time since the > journal would write every five seconds or so. If nothing is being written to the drive, nothing needs to be written to the journal. A sync does nothing if there is nothing in the buffers.
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