Уже выяснил, посыпался ЖД.
root@serv ~ # badblocks -v /dev/sda
Checking blocks 0 to 390711383
Checking for bad blocks (read-only test): 154040720one, 1:59:12 elapsed. (0/0/0 errors)
154040721one, 1:59:49 elapsed. (1/0/0 errors)
154040722one, 2:00:24 elapsed. (2/0/0 errors)
154040723one, 2:01:00 elapsed. (3/0/0 errors)
154040724one, 2:01:38 elapsed. (4/0/0 errors)
154040725one, 2:02:16 elapsed. (5/0/0 errors)
154040726one, 2:02:51 elapsed. (6/0/0 errors)
154040727one, 2:03:23 elapsed. (7/0/0 errors)
154040728one, 2:04:05 elapsed. (8/0/0 errors)
done
Pass completed, 9 bad blocks found. (9/0/0 errors)