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1 Chapter 12: MANAGING DISK STORAGE 2 !"#$%#% & #'#$( $) *+* %(& %#$ ,((#,#$-#')&)# # #+- /&$ ! ,(* &'& #$ - %)'#$0) & &#, %% () ' 1 #2,)'#'%2 ,#&% #$# #+- / %#&) $ !) $%! !2 ! ,$&2 !0)# Chapter 12: MANAGING DISK STORAGE 3 / !"( %'- % #"#, !,)% # ( %''() #,#$ #')&"#, #),# # $ Chapter 12: MANAGING DISK STORAGE 4 3 )#*(''- ##, #+ " ,)'#$(,# #+ - / % ! - # #2+ % %* &(#4 Chapter 12: MANAGING DISK STORAGE 5 5 )#*( #+ 2 #+62 #+- / !2# # #')&%+ # )# $2 $2 &'& # Chapter 12: MANAGING DISK STORAGE 6 375 3(,)'2'' !* %7 3 % !%* '(%#-# (& % !7 #- $ !,#&(& %#* % %)''#*'#7 Chapter 12: MANAGING DISK STORAGE 7 Chapter 12: MANAGING DISK STORAGE 8 ( %''( '' !897 ' 1 !7 * % !2% #7 (& % !2%-#')&7 :#&-#')&7 $ -'#-#')&7 Chapter 12: MANAGING DISK STORAGE 9 ;; ( %''( '' !7 #+- /#)'%#$ 1 +- %)#& %''(7 , ##2'%% !,#& % #&) !$&7 Chapter 12: MANAGING DISK STORAGE 10 ;< '' !&)* ' 1*,#(% *)7 ' 1 #%)38* % !9# 8(& % !9#*+ 7 ' 1#- ! 1 #)'')%)#& %''(,+ ! ''7 [...]... 12: MANAGING DISK STORAGE 18 RECOVERING FROM MIRRORED DISK FAILURES Chapter 12: MANAGING DISK STORAGE 19 WORKING WITH RAID • Non-fault-tolerant RAID implementations • RAID-0: Disk striping without parity • Fault-tolerant RAID implementations • RAID-1: Disk mirroring • RAID-5: Disk striping with parity Chapter 12: MANAGING DISK STORAGE 20 CHOOSING A RAID TECHNOLOGY Mirrored V lum s (RAID 1) o e Can... simple, spanned, striped, mirrored, and RAID-5 volumes, to provide storage according to capacity, performance, and fault tolerance requirements Chapter 12: MANAGING DISK STORAGE 35 SUMMARY (continued) • Fault tolerance is provided by mirrored (RAID-1) volumes and striped-with-parity volumes (RAID-5) • Simple volumes, spanned volumes, striped volumes (RAID-0), and all basic disk logical drives are not... USING DISK DEFRAGMENTER Chapter 12: MANAGING DISK STORAGE 27 IMPLEMENTING DISK QUOTAS Chapter 12: MANAGING DISK STORAGE 28 ENABLING QUOTAS • Quotas are enabled on a volume-by-volume basis • Exceptions to quotas can be configured on a per-user basis • Every file owned by a user counts toward her quota total Chapter 12: MANAGING DISK STORAGE 29 CONFIGURING QUOTA DEFAULTS • Set warning levels to alert users... Management console, right-click unallocated space on a disk and select New Volume Chapter 12: MANAGING DISK STORAGE 15 CREATING OTHER VOLUME TYPES • Spanned Uses space from multiple disks appearing as single volume • Striped (RAID-0) Uses space from multiple disks appearing as single volume; data is written across all drives in the striped set at the same rate • Mirrored (RAID-1) An identical copy of... MANAGING DISK STORAGE 33 SUMMARY • Windows Server 2003 supports two types of storage, basic and dynamic, and three file systems, FAT, FAT32, and NTFS • Basic disks and the FAT file system provide back-ward compatibility with older Windows operating systems but are limited in their capabilities • Dynamic disks provide flexible and powerful options in configurations with more than one disk Chapter 12:... as single volume; data is written across all drives in the striped set at the same rate • Mirrored (RAID-1) An identical copy of a volume is created on another physical disk, for fault tolerance • RAID-5 Striped set with parity allows the system to continue running in the event of a single disk failure Chapter 12: MANAGING DISK STORAGE 16 WORKING WITH MIRRORED VOLUMES • Data is written to both drives... volumes and striped-with-parity volumes (RAID-5) • Simple volumes, spanned volumes, striped volumes (RAID-0), and all basic disk logical drives are not fault tolerant • You use the Disk Management snap-in to create and manage basic and dynamic disks Chapter 12: MANAGING DISK STORAGE 36 SUMMARY (continued) • Disk volumes can become corrupted or fragmented and often fill to capacity You can manage existing . 12 3 5 !*%!)*,#%# - $7 #'#$ %' - %# - # &' -# ')&7 4 $ #+ -# ')& %# - # -# ')& . !2% #7 (& % !2% -# ')&7 :#& -# ')&7 $ - '# -# ')&7 Chapter 12: MANAGING DISK STORAGE. %#$ ,((#,#$ -# ')&)# # #+ - /&$ ! ,(* &'& #$ - %)'#$0)
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