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Ragnar Kjørstad, on Montag, 10. September 2001 00:16 wrote:
> OK, this is the patch.
thx, for your help, but meanwhile i got one from Holger Grothe.
sorry, but i haven't had time to post it earlier. i do it now because it has
some advantages...
tools/lib/pv_move.c:
replace:
fprintf ( stderr, "%s -- ERROR reading input "
"physical volume \"%s\" (still %d bytes to read)\n
cmd, vg->pv[src_pv_index]->pv_name, size);
pe_unlock ( vg->vg_name);
ret = -LVM_EPV_MOVE_PE_READ_IN;
goto pv_move_pe_end;
with:
fprintf ( stderr, "read: %ld, to_read %ld\n", red, to_read);
memset(buffer,170,to_read);
red=to_read;
with 170 u can chosse with which chars the bad block should be replaced with.
(you can search filez for them later if u want - and have enough time ;)
tools/pvmove.c:
replace:
int buffer_size = 64*1024;
with:
int buffer_size = 512;
this is an advantage to your patch, because pvmove then copys only 512
byte-blocks and if there's only one block damaged u don't loose 64kb data.
this has one disadvantage: it's SLOW... and slower than that ;)
so change the source and do a static compiling:
./configure --enable-static_link ; make
u can then use the normal pvmove to move your partitions and if there is an
error u can use the (patched) tools/pvmove program for bad-block moving.
worked find for me and i saw that only one 512 byte block was damaged.
fejf
ps: i used lvm 0.9.1b7 but it should look and work similar with other
versions but i think a diff is not the best for it ;)
- --
Backups are usefull. Most often when you don't have one ;)
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