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<blockquote data-quote="HarborFront" data-source="post: 1048486" data-attributes="member: 55987"><p>Anyone can tell me if you have a RAID 1 system for 2xhdds in an enclosure would each backup has 1 image or 2 identical separate images?</p><p></p><p>From what the guy at the shop told me just now the 2xhdds in an enclosure will be recognized as 1 drive by the system. So during backup he said only 1 single image is being created.</p><p></p><p></p><p></p><p>EDIT</p><p></p><p>Found the answer after checking with my IT friend</p><p></p><p></p><p>RAID 1 with 2 HDDs vs 2 separate HDDs. PROS vs CONS</p><p></p><p>In RAID 1 Windows Explorer will recognize the 2x physical HDDs as one drive i.e. only one drive letter. And also one image only. This is the same for RAiD 0</p><p></p><p>However, it's the backup/restore software that will show 2 drives with separate identical image in each drive since need to set backup to target drives.</p><p></p><p>PROS</p><p></p><p>1) Cheaper than same 2 separate HDDs</p><p>2) 1 AC power supply needed since the 2x HDDs are housed in the same enclousure</p><p>3) Faster speed since mirroring takes place simultaneously</p><p></p><p>CONS</p><p></p><p>1) If 1 HDD drive is spoil need to do backup again for the new replacement drive. Cannot copy the backups from the other drive to the new replacement HDD. That means all previous copies of backup will be lost except for the latest copy of backup</p><p>2) Greater chance of 2x HDDs in a single enclosure to be exposed to ransomware attack when mounted</p><p></p><p>For 2x separate HDDs, Windows Explorer will recognize them as 2 separate HDDs</p><p></p><p>PROS</p><p></p><p>1) If 1 HDD fails then can copy everything from the 2nd HDD to the new HDD drive i.e. all previous copies of backups are available in the new HDD</p><p>2) Less exposure of 2x HDDs separately to ransomware attack</p><p></p><p>CONS</p><p></p><p>1) More expensive for 2x separate HDDs than RAID 1 with 2x HDDs of same capacity</p><p>2) Need extra cables and 2 separate AC power supplies to power the 2x separate HDDs</p><p>3) Slower since need to backup to 2 separate drives</p></blockquote><p></p>
[QUOTE="HarborFront, post: 1048486, member: 55987"] Anyone can tell me if you have a RAID 1 system for 2xhdds in an enclosure would each backup has 1 image or 2 identical separate images? From what the guy at the shop told me just now the 2xhdds in an enclosure will be recognized as 1 drive by the system. So during backup he said only 1 single image is being created. EDIT Found the answer after checking with my IT friend RAID 1 with 2 HDDs vs 2 separate HDDs. PROS vs CONS In RAID 1 Windows Explorer will recognize the 2x physical HDDs as one drive i.e. only one drive letter. And also one image only. This is the same for RAiD 0 However, it's the backup/restore software that will show 2 drives with separate identical image in each drive since need to set backup to target drives. PROS 1) Cheaper than same 2 separate HDDs 2) 1 AC power supply needed since the 2x HDDs are housed in the same enclousure 3) Faster speed since mirroring takes place simultaneously CONS 1) If 1 HDD drive is spoil need to do backup again for the new replacement drive. Cannot copy the backups from the other drive to the new replacement HDD. That means all previous copies of backup will be lost except for the latest copy of backup 2) Greater chance of 2x HDDs in a single enclosure to be exposed to ransomware attack when mounted For 2x separate HDDs, Windows Explorer will recognize them as 2 separate HDDs PROS 1) If 1 HDD fails then can copy everything from the 2nd HDD to the new HDD drive i.e. all previous copies of backups are available in the new HDD 2) Less exposure of 2x HDDs separately to ransomware attack CONS 1) More expensive for 2x separate HDDs than RAID 1 with 2x HDDs of same capacity 2) Need extra cables and 2 separate AC power supplies to power the 2x separate HDDs 3) Slower since need to backup to 2 separate drives [/QUOTE]
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