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Man Sections:Commands (1)System Calls (2)Library Functions (3)Device Drivers (4)File Formats (5)Miscellaneous (7)System Utilities (8)
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Index:
  IPXrouted(8)
  MAKEDEV(8)
  ac(8)
  accton(8)
  acpiconf(8)
  acpidb(8)
  acpidump(8)
  adding_user(8)
  adduser(8)
  adjkerntz(8)
  amd(8)
  amq(8)
  ancontrol(8)
  apm(8)
  apmconf(8)
  apmd(8)
  arlcontrol(8)
  arp(8)
  asf(8)
  atacontrol(8)
  atm(8)
  atmarpd(8)
  atmconfig(8)
  atrun(8)
  authpf(8)
  badsect(8)
  bcmfw(8)
  boot(8)
  boot0cfg(8)
  boot_i386(8)
  bootparamd(8)
  bootpd(8)
  bootpef(8)
  bootpgw(8)
  bootptest(8)
  bsdlabel(8)
  bt3cfw(8)
  btxld(8)
  burncd(8)
  camcontrol(8)
  catman.local(8)
  ccdconfig(8)
  chat(8)
  chkgrp(8)
  chkprintcap(8)
  chown(8)
  chroot(8)
  clri(8)
  comcontrol(8)
  comsat(8)
  config(8)
  conscontrol(8)
  crash(8)
  cron(8)
  cvsbug(8)
  daemon(8)
  dconschat(8)
  devd(8)
  devfs(8)
  devinfo(8)
  dhclient-script(8)
  dhclient(8)
  digictl(8)
  diskinfo(8)
  disklabel(8)
  diskless(8)
  dmesg(8)
  dnssec-keygen(8)
  dnssec-signzone(8)
  dump(8)
  dumpfs(8)
  dumpon(8)
  editmap(8)
  edquota(8)
  extattrctl(8)
  faithd(8)
  fastboot(8)
  fasthalt(8)
  fdcontrol(8)
  fdisk(8)
  ffsinfo(8)
  fingerd(8)
  fixmount(8)
  flowctl(8)
  fore_dnld(8)
  fsck(8)
  fsck_4.2bsd(8)
  fsck_ffs(8)
  fsck_msdosfs(8)
  fsck_ufs(8)
  fsdb(8)
  fsinfo(8)
  fsirand(8)
  ftp-proxy(8)
  ftpd(8)
  fwcontrol(8)
  gbde(8)
  gconcat(8)
  geom(8)
  getextattr(8)
  getfmac(8)
  getpmac(8)
  getty(8)
  ggatec(8)
  ggated(8)
  ggatel(8)
  glabel(8)
  gmirror(8)
  gnop(8)
  gpt(8)
  graid3(8)
  growfs(8)
  gshsec(8)
  gstat(8)
  gstripe(8)
  halt(8)
  hccontrol(8)
  hcsecd(8)
  hcseriald(8)
  hlfsd(8)
  hprop(8)
  hpropd(8)
  iasl(8)
  ifconfig(8)
  ifmcstat(8)
  ilmid(8)
  inetd(8)
  init(8)
  intro(8)
  iostat(8)
  ip6addrctl(8)
  ip6fw(8)
  ipf(8)
  ipfs(8)
  ipfstat(8)
  ipfw(8)
  ipmon(8)
  isdnd(8)
  isdndebug(8)
  isdndecode(8)
  isdnmonitor(8)
  isdnphone(8)
  isdntel(8)
  isdntelctl(8)
  isdntrace(8)
  ispcvt(8)
  jail(8)
  jexec(8)
  jls(8)
  kadmin(8)
  kadmind(8)
  kdc(8)
  kerberos(8)
  keyserv(8)
  kgmon(8)
  kgzip(8)
  kldconfig(8)
  kldload(8)
  kldstat(8)
  kldunload(8)
  kldxref(8)
  kpasswdd(8)
  kstash(8)
  ktrdump(8)
  ktutil(8)
  l2control(8)
  l2ping(8)
  lastlogin(8)
  ldconfig(8)
  loader.4th(8)
  loader(8)
  locate.updatedb(8)
  lockd(8)
  lpc(8)
  lpd(8)
  lptcontrol(8)
  lsextattr(8)
  lwresd(8)
  mail.local(8)
  mailstats(8)
  mailwrapper(8)
  makekey(8)
  makemap(8)
  makewhatis.local(8)
  manctl(8)
  map-mbone(8)
  mdconfig(8)
  mdmfs(8)
  memcontrol(8)
  mergemaster(8)
  mixer(8)
  mk-amd-map(8)
  mknetid(8)
  mknod(8)
  mksnap_ffs(8)
  mkuzip(8)
  mld6query(8)
  mlxcontrol(8)
  mount(8)
  mount_cd9660(8)
  mount_devfs(8)
  mount_ext2fs(8)
  mount_fdescfs(8)
  mount_linprocfs(8)
  mount_mfs(8)
  mount_msdosfs(8)
  mount_nfs(8)
  mount_nfs4(8)
  mount_ntfs(8)
  mount_nullfs(8)
  mount_nwfs(8)
  mount_portalfs(8)
  mount_procfs(8)
  mount_smbfs(8)
  mount_std(8)
  mount_udf(8)
  mount_umapfs(8)
  mount_unionfs(8)
  mountd(8)
  moused(8)
  mrinfo(8)
  mrouted(8)
  mtest(8)
  mtrace(8)
  mtree(8)
  named-checkconf(8)
  named-checkzone(8)
  named(8)
  named.reconfig(8)
  named.reload(8)
  natd(8)
  ndiscvt(8)
  ndp(8)
  newfs(8)
  newfs_msdos(8)
  newkey(8)
  newsyslog(8)
  nextboot(8)
  nfsd(8)
  nfsiod(8)
  ngctl(8)
  nghook(8)
  nis(8)
  nologin(8)
  nos-tun(8)
  nsupdate(8)
  ntpd(8)
  ntpdate(8)
  ntpdc(8)
  ntpq(8)
  ntptime(8)
  ntptrace(8)
  pac(8)
  pam_chroot(8)
  pam_deny(8)
  pam_echo(8)
  pam_exec(8)
  pam_ftpusers(8)
  pam_group(8)
  pam_guest(8)
  pam_krb5(8)
  pam_ksu(8)
  pam_lastlog(8)
  pam_login_access(8)
  pam_nologin(8)
  pam_opie(8)
  pam_opieaccess(8)
  pam_passwdqc(8)
  pam_permit(8)
  pam_radius(8)
  pam_rhosts(8)
  pam_rootok(8)
  pam_securetty(8)
  pam_self(8)
  pam_ssh(8)
  pam_tacplus(8)
  pam_unix(8)
  pccardc(8)
  pccardd(8)
  pciconf(8)
  periodic(8)
  pfctl(8)
  pflogd(8)
  picobsd(8)
  ping(8)
  ping6(8)
  pnpinfo(8)
  ppp(8)
  pppctl(8)
  pppd(8)
  pppoed(8)
  pppstats(8)
  praliases(8)
  procctl(8)
  pstat(8)
  pw(8)
  pwd_mkdb(8)
  pxeboot(8)
  quot(8)
  quotacheck(8)
  quotaoff(8)
  quotaon(8)
  rarpd(8)
  raycontrol(8)
  rbootd(8)
  rc(8)
  rc.atm(8)
  rc.d(8)
  rc.early(8)
  rc.firewall(8)
  rc.local(8)
  rc.network(8)
  rc.pccard(8)
  rc.sendmail(8)
  rc.serial(8)
  rc.shutdown(8)
  rc.subr(8)
  rcorder(8)
  rdump(8)
  reboot(8)
  renice(8)
  repquota(8)
  rescue(8)
  restore(8)
  revnetgroup(8)
  rexecd(8)
  rfcomm_pppd(8)
  rip6query(8)
  rlogind(8)
  rmail(8)
  rmextattr(8)
  rmt(8)
  rmuser(8)
  rndc-confgen(8)
  rndc(8)
  route(8)
  route6d(8)
  routed(8)
  rpc.lockd(8)
  rpc.rquotad(8)
  rpc.rstatd(8)
  rpc.rusersd(8)
  rpc.rwalld(8)
  rpc.sprayd(8)
  rpc.statd(8)
  rpc.umntall(8)
  rpc.yppasswdd(8)
  rpc.ypxfrd(8)
  rpcbind(8)
  rpcinfo(8)
  rrenumd(8)
  rrestore(8)
  rshd(8)
  rtadvd(8)
  rtquery(8)
  rtsol(8)
  rtsold(8)
  rwhod(8)
  sa(8)
  savecore(8)
  sconfig(8)
  scspd(8)
  sdpcontrol(8)
  sdpd(8)
  securelevel(8)
  sendmail(8)
  setextattr(8)
  setfmac(8)
  setfsmac(8)
  setkey(8)
  setpmac(8)
  sftp-server(8)
  showmount(8)
  shutdown(8)
  sicontrol(8)
  slattach(8)
  slip(8)
  sliplogin(8)
  slstat(8)
  smbmsg(8)
  smrsh(8)
  spkrtest(8)
  spppcontrol(8)
  spray(8)
  ssh-keysign(8)
  sshd(8)
  sticky(8)
  strfile(8)
  sunlabel(8)
  swapctl(8)
  swapinfo(8)
  swapoff(8)
  swapon(8)
  sync(8)
  sysctl(8)
  sysinstall(8)
  syslogd(8)
  talkd(8)
  tcpd(8)
  tcpdchk(8)
  tcpdmatch(8)
  tcpdrop(8)
  telnetd(8)
  tftpd(8)
  timed(8)
  timedc(8)
  traceroute(8)
  traceroute6(8)
  trpt(8)
  tunefs(8)
  tzsetup(8)
  ugidfw(8)
  umount(8)
  unstr(8)
  updatedb(8)
  usbd(8)
  usbdevs(8)
  verify_krb5_conf(8)
  vinum(8)
  vipw(8)
  vmstat(8)
  vnconfig(8)
  watch(8)
  watchdog(8)
  watchdogd(8)
  wicontrol(8)
  wire-test(8)
  wlconfig(8)
  yp(8)
  yp_mkdb(8)
  ypbind(8)
  ypinit(8)
  yppoll(8)
  yppush(8)
  ypserv(8)
  ypset(8)
  ypxfr(8)
  zdump(8)
  zic(8)
  zzz(8)

growfs(8)

NAME

     growfs -- grow size of an existing ufs file system


SYNOPSIS

     growfs [-Ny] [-s size] special


DESCRIPTION

     The growfs utility extends the newfs(8) program.  Before starting growfs
     the disk must be labeled to a bigger size using bsdlabel(8).  If you wish
     to grow a file system beyond the boundary of the slice it resides in, you
     must re-size the slice using fdisk(8) before running growfs.  If you are
     using volumes you must enlarge them by using vinum(8).  The growfs util-
     ity extends the size of the file system on the specified special file.
     Currently growfs can only enlarge unmounted file systems.	Do not try
     enlarging a mounted file system, your system may panic and you will not
     be able to use the file system any longer.  Most of the newfs(8) options
     cannot be changed by growfs.  In fact, you can only increase the size of
     the file system.  Use tunefs(8) for other changes.

     The following options are available:

     -N      ``Test mode''.  Causes the new file system parameters to be
	     printed out without actually enlarging the file system.

     -y      ``Expert mode''.  Usually growfs will ask you if you took a
	     backup of your data before and will do some tests whether special
	     is currently mounted or whether there are any active snapshots on
	     the file system specified.  This will be suppressed.  So use this
	     option with great care!

     -s size
	     Determines the size of the file system after enlarging in sec-
	     tors.  This value defaults to the size of the raw partition spec-
	     ified in special (in other words, growfs will enlarge the file
	     system to the size of the entire partition).


EXAMPLES

	   growfs -s 4194304 /dev/vinum/testvol

     will enlarge /dev/vinum/testvol up to 2GB if there is enough space in
     /dev/vinum/testvol.


BUGS

     The growfs utility works starting with FreeBSD 3.x.  There may be cases
     on FreeBSD 3.x only, when growfs does not recognize properly whether or
     not the file system is mounted and exits with an error message.  Then
     please use growfs -y if you are sure that the file system is not mounted.
     It is also recommended to always use fsck(8) after enlarging (just to be
     on the safe side).

     For enlarging beyond certain limits, it is essential to have some free
     blocks available in the first cylinder group.  If that space is not
     available in the first cylinder group, a critical data structure has to
     be relocated into one of the new available cylinder groups.  On FreeBSD
     3.x this will cause problems with fsck(8) afterwards.  So fsck(8) needs
     to be patched if you want to use growfs for FreeBSD 3.x.  This patch is
     already integrated in FreeBSD starting with FreeBSD 4.4.  To avoid an
     pected data when using -N.  Therefore, this part cannot really be simu-
     lated and will be skipped in test mode.


SEE ALSO

     bsdlabel(8), dumpfs(8), fdisk(8), ffsinfo(8), fsck(8), newfs(8),
     tunefs(8), vinum(8)


AUTHORS

     Christoph Herrmann <chm@FreeBSD.org>
     Thomas-Henning von Kamptz <tomsoft@FreeBSD.org>
     The GROWFS team <growfs@Tomsoft.COM>


HISTORY

     The growfs utility first appeared in FreeBSD 4.4.

FreeBSD 5.4		       September 8, 2000		   FreeBSD 5.4

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