Messages in this thread | | | Date | Mon, 27 Feb 2006 10:27:09 +1300 | From | Sam Vilain <> | Subject | Re: question about possibility of data loss in Ext2/3 file system |
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Theodore Ts'o wrote: >>I always liked Sun's approach to this in Online Disk Suite - journal at >>the block device level rather than the FS / application level. >>Something I haven't seen from the Linux md-utils or DM. > You can do data block journalling in ext3. But the performance impact > can be significant for some work loads. TNSFAAFL.
Sure, but on a large system with a big array, you just move the journal to a seperate diskset. That can make a big speed improvement for those types of update patterns where you care about always applying updates sequentially, such as a filesystem or a database.
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