yanzs
3 Cadmium

关于DD VTL Barcode的定义

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Datadomain中,VTL的Barcode号是怎么定义的,比如A99000LA的Barcode号,代表的是什么意思,谢谢!!!

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minicom2012
3 Argentium

Re: 关于DD VTL Barcode的定义

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For example, a barcode of ABC100L1 starts numbering the tapes at 100.

A few representative sample barcodes:

  • 000000L1 creates tapes of 100 GiB capacity and can accept a count of up to 1,000,000 tapes (from 000000 to 999999).
  • AA0000LA creates tapes of 50 GiB capacity and can accept a count of up to 10,000 tapes (from 0000 to 9999).
  • AAAA00LB creates tapes of 30 GiB capacity and can accept a count of up to 100 tapes (from 00 to 99).
  • Working with Tapes
  • AAAAAALC creates one tape of 10 GiB capacity. You can only create one tape with this name and not increment.
  • AAA350L1 creates tapes of 100 GiB capacity and can accept a count of up to 650 tapes (from 350 to 999).
  • 000AAALA creates one tape of 50 GiB capacity. You can only create one tape with this name and not increment.
  • 5M7Q3KLB creates one tape of 30 GiB capacity. You can only create one tape with this name and not increment.
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minicom2012
3 Argentium

Re: 关于DD VTL Barcode的定义

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For example, a barcode of ABC100L1 starts numbering the tapes at 100.

A few representative sample barcodes:

  • 000000L1 creates tapes of 100 GiB capacity and can accept a count of up to 1,000,000 tapes (from 000000 to 999999).
  • AA0000LA creates tapes of 50 GiB capacity and can accept a count of up to 10,000 tapes (from 0000 to 9999).
  • AAAA00LB creates tapes of 30 GiB capacity and can accept a count of up to 100 tapes (from 00 to 99).
  • Working with Tapes
  • AAAAAALC creates one tape of 10 GiB capacity. You can only create one tape with this name and not increment.
  • AAA350L1 creates tapes of 100 GiB capacity and can accept a count of up to 650 tapes (from 350 to 999).
  • 000AAALA creates one tape of 50 GiB capacity. You can only create one tape with this name and not increment.
  • 5M7Q3KLB creates one tape of 30 GiB capacity. You can only create one tape with this name and not increment.
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Jun_Tan
3 Zinc

Re: 关于DD VTL Barcode的定义

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楼上说得没错,帮忙补充下。

1. barcode一共8个字符,分成三部分使用:最右边2位用来标示磁带类型;最左边6位用来标示具体磁带,这部分分别有前缀和磁带顺序号组成。

最左边2个字符解释可以参考下面这张图:Capture.PNG

2. 最左边6个字符,可以全部是数字,也可以全部是字符。

其实barcode在传统磁带上也有,不过都是买磁带的时候厂商已经帮你打印好,就是一个一个条码,然后自己贴上去,最后磁带驱动器会全部扫描、记录一遍这些barcode。

Jun_Tan
3 Zinc

Re: 关于DD VTL Barcode的定义

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data domain相关文档可以在这里下载(注意:可能需要注册用户和特定权限才能下载)

Data Domain Operating System Documentation 5.2.X Documentation

yanzs
3 Cadmium

Re: 关于DD VTL Barcode的定义

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哦,明白,谢谢!!

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yanzs
3 Cadmium

Re: 关于DD VTL Barcode的定义

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例子看起来非常容易理解,谢谢!!

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