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thekrazykaveman

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My boss and I have a backup set to run every week on Sunday, but we're finding that it's taking 24+ hours to backup our one terabyte of data. We're backing up onto Western Digital Black Hard Drives. Has anyone else experienced this before/does anyone have any suggestions on how to resolve this, it would be greatly appreciated. Thanks in advance.
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Bud Durland

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That's about the going rate. Choices are:

  • Set up a full backup on one day (Saturday), incrementals the others
  • Use some other backup mechanism such as rSync or Robocopy

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McIrish

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We've seen the same thing. I only have 500GB of mail and it takes 36 hours for it to complete. I have it start on Saturday evening and it isn't done till around lunch on Monday. I have SSDs, so speed of the drive can't be a factor. Maybe I will need to look for some other backup strategy. I've used Robocopy a lot in the past, but was hoping to use the Kerio backup utility.
I wonder what happened to slow it down so drastically.
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gmaoret

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ISSUE: it is slow because it has to copy myriads of little files (every single e-mail is a single EML file) and so there is a big loss of time for read/write/close operations.

SOLUTION: use virtualized HDD (VHD, VHDX, VMDK or so on) for Kerio Storage and then backup the entire V-HD. This method is very fast because it has to copy a single big file.

[Updated on: Wed, 04 January 2017 09:22]

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thekrazykaveman

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Thanks; we're going to look into doing a virtualized HDD since we're already running the server as a vm.
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McIrish

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Backing up our 2TB Kerio Connect server with their backup utility was 36 hours. I switched to backing up the VM via Veeam and it backed up in only a couple hours. WOW! Great call. I will keep doing backups that way and skip the internal backup.
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