VERITAS Question

Vxvm:

1.) How do u extend private region length?

2.) What are the disk formats in VXVM?

3.) How do u encapsulate a disk without having a private region length?

4.) How do u check if a volume is startable or not?

5.) Difference between failing and failed?

6.) How do u clear disk flags?

7.) Configuration file in VXVM?

8.) Explain modes of vxconfigd?

9.) How do u restart vxconfigd?

10.) Explain importing and deporting?

11.) How do u encapsulate a disk?

12.) explain how do u break the mirror and boot from a mirror disk in LINUX not in SOLARIS?

13.) Whats is meant by META SUBDISK?

14.) How do u check the private region length of a disk? How much is free, how much is used etc?

15.) Explain DMP?

16.) What is DCO object?

17.) Explain the underlying process of volume relayout?

18.) Explain the log types used in VXVM?

19.) What is READPOL in VXVM?

20.) How do u convert a LVM disk to VXVM disk?

21.) How do u reserve a disk?

22.) How d u rename a DG?

23.) If u rename a DG, does your disk name gets changed? Explain in detail?

24.) Commands used in DG move, SPLIT, JOin, SD move, SPLIT, JOIN? Why do use?

25.) Use of vxprivutil?

26.) How do u keep a volume in Maintenance mode, not plex?

27.) How do u fork more vxrelocd processess?

28.) How do u recover a volume from backup?

29.) Where is the vxvm objects backup kept?

30.) What is the DG id in vxvm 4.1, 4.0, 3.5 etc?

31.) What does vxvm do when it encapsulates a disk?

32.) What is layered volume and non-layered volume?

33.) How do u resize a volume using vxresize, vxassist, VEA?

34.) Explain difference between mirror-concat and concat-mirror?

35.) Explain Raid 5? How do u create a Raid 5 volume using vxmake?

36.) Default stripe size in raid 5, Raid 0?

37.) What is FSGEN?

38.) How do u check numbder of FAILED reads and writes on a disk?

39.) When do u use vxevac?

40.) Which daemon monitors vxconfigback?

41.) Use of vxdctl command?

42.) What is the relation between vxdctl and vxconfigd?

43.) Explain hot relocation in detail?

44.) How do u disable hot relocation?

45.) What features does VXVM provide?

46.) What is size of a Disk group database which contains 5 disks with 1g, 10g, 5g,2G, 100G?

47.) How do u make sure veritas explorer collects only vxvm info?

48.) How many disks does Raid 5 reuire?

49.) Explain VXVM upgrade process?

50.) How do u move data from one frame to other?