I have been using zfs boot with lzjb compression on since build 75, from time to time I had similar problem, not sure why.
As best practise, I do snapshot the root filesystem frequently, so that I can rollback to the last working snapshot. Rgds, Andre W. Victor Latushkin wrote: >>> this seems quite easy to me.... but I don't know how to "move around" to >>> actually implement/propose the required changes. >>> >>> >>> To make grub aware of gzip (as it already is of lzjb) the steps should be: >>> >>> >>> 1. create a new >>> >>> /onnv-gate/usr/src/grub/grub-0.95/stage2/zfs_gzip.c >>> >>> starting from >>> >>> /onnv-gate/usr/src/uts/common/fs/zfs/gzip.c >>> >>> and removing the gzip_compress funcion >>> > > Yes, but it is a little bit more complicated than that. gzip support in > in-kernel ZFS leverages in-kernel zlib implementation. There is support > for gzip decompression algorithm in grub (see gunzip.c), so one need to > figure out how to leverage that and replace z_uncompress() with proper > call. > > >>> 2. add gzip_decompress >>> >>> at the end of >>> >>> /onnv-gate/usr/src/grub/grub-0.95/stage2/fsys_zfs.h >>> >>> >>> 3. update the decomp_table function to link "gzip" and all "gzip-N" >>> (with N=1...9) to the gzip_decompress function in >>> >>> /onnv-gate/usr/src/grub/grub-0.95/stage2/fsys_zfs.c >>> > > This sounds reasonable. > > Also one need to make sure that resulting binary does not exceed size > requirements (if any), thoroughly test it to verify that it works on all > HW architectures with all compression algorithms (and even mix of them). > > This may be not an exhaustive list of things to do. > > >>> What should I do to go on with this changes? Should I start a "community >>> project"? >>> >>> > > >> These changes look simple enough so there is no point setting up >> community project imho. >> >> Just implement it, test it then ask for a sponsor and integrate it. >> > > As Robert points out, this indeed may be quite simple to bother setting > up community project, so it may be better to treat this just like > bite-size-rfe ;-) > > Wbr, > Victor > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
